diff --git a/embedx/config.schema.json b/embedx/config.schema.json
index cff95817190d..6901e80446ac 100644
--- a/embedx/config.schema.json
+++ b/embedx/config.schema.json
@@ -1946,6 +1946,15 @@
                   "type": "object",
                   "additionalProperties": false,
                   "properties": {
+                    "id_token_provider_aliases": {
+                      "type": "object",
+                      "description": "Maps incoming provider IDs to configured provider IDs only for login or registration submissions with an id_token. Browser authorization, callbacks and settings keep exact provider-ID lookup.",
+                      "additionalProperties": {
+                        "type": "string",
+                        "minLength": 1
+                      },
+                      "examples": [{"google": "google-goodsystems"}]
+                    },
                     "base_redirect_uri": {
                       "type": "string",
                       "title": "Base URL for OAuth2 Redirect URIs",
diff --git a/selfservice/strategy/oidc/id_token_provider_alias_test.go b/selfservice/strategy/oidc/id_token_provider_alias_test.go
new file mode 100644
index 000000000000..0f24e48a4681
--- /dev/null
+++ b/selfservice/strategy/oidc/id_token_provider_alias_test.go
@@ -0,0 +1,139 @@
+// Copyright © 2026 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package oidc_test
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+	"time"
+
+	"github.com/golang-jwt/jwt/v4"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"github.com/tidwall/gjson"
+
+	"github.com/ory/kratos/driver/config"
+	"github.com/ory/kratos/identity"
+	"github.com/ory/kratos/internal"
+	"github.com/ory/kratos/internal/testhelpers"
+	"github.com/ory/kratos/selfservice/strategy/oidc"
+)
+
+func TestIDTokenProviderAliasesNativeRequests(t *testing.T) {
+	for _, entry := range []string{"login", "registration"} {
+		t.Run(entry, func(t *testing.T) {
+			ctx := context.Background()
+			conf, reg := internal.NewFastRegistryWithMocks(t)
+			jwks := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Content-Type", "application/json")
+				_, _ = w.Write(publicJWKS)
+			}))
+			t.Cleanup(jwks.Close)
+			oidc.RegisterTestGoogleProvider(t, "test-google", jwks.URL)
+			provider := oidc.Configuration{
+				ID: "google-goodsystems", Provider: "test-google",
+				ClientID: "goodmeet-client", Mapper: "file://./stub/oidc.hydra.jsonnet", PKCE: "never",
+			}
+			viperSetProviderConfig(t, conf, provider)
+			conf.MustSet(ctx, config.ViperKeySelfServiceStrategyConfig+".oidc.config", &oidc.ConfigurationCollection{
+				Providers:              []oidc.Configuration{provider},
+				IDTokenProviderAliases: map[string]string{"google": "google-goodsystems"},
+			})
+			conf.MustSet(ctx, config.ViperKeySelfServiceRegistrationEnabled, true)
+			testhelpers.SetDefaultIdentitySchema(conf, "file://./stub/stub.schema.json")
+			conf.MustSet(ctx, config.HookStrategyKey(config.ViperKeySelfServiceRegistrationAfter, identity.CredentialsTypeOIDC.String()), []config.SelfServiceHook{{Name: "session"}})
+			server, _ := testhelpers.NewKratosServer(t, reg)
+
+			subject := "goodmeet-" + entry + "@example.test"
+			classic := identity.NewIdentity("default")
+			classic.Traits = identity.Traits(`{"subject":"` + subject + `"}`)
+			classicCredentials, err := identity.NewCredentialsOIDC(new(identity.CredentialsOIDCEncryptedTokens), "google", subject, "")
+			require.NoError(t, err)
+			classic.SetCredentials(identity.CredentialsTypeOIDC, *classicCredentials)
+			require.NoError(t, reg.IdentityManager().Create(ctx, classic))
+
+			token := createIdToken(t, jwt.RegisteredClaims{
+				Issuer: "https://accounts.google.com", Subject: subject,
+				Audience: jwt.ClaimStrings{"goodmeet-client"}, ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour)),
+			})
+			client := &http.Client{CheckRedirect: func(r *http.Request, via []*http.Request) error { return http.ErrUseLastResponse }}
+			submit := func(providerID, idToken string) (int, []byte) {
+				t.Helper()
+				response, err := client.Get(server.URL + "/self-service/" + entry + "/api")
+				require.NoError(t, err)
+				flowBody, err := io.ReadAll(response.Body)
+				require.NoError(t, response.Body.Close())
+				require.NoError(t, err)
+				require.Equal(t, http.StatusOK, response.StatusCode, "%s", flowBody)
+				action := gjson.GetBytes(flowBody, "ui.action").String()
+				require.NotEmpty(t, action)
+				payload, err := json.Marshal(map[string]string{"method": "OIDC", "provider": providerID, "id_token": idToken})
+				require.NoError(t, err)
+				request, err := http.NewRequest(http.MethodPost, action, strings.NewReader(string(payload)))
+				require.NoError(t, err)
+				request.Header.Set("Content-Type", "application/json")
+				request.Header.Set("Accept", "application/json")
+				response, err = client.Do(request)
+				require.NoError(t, err)
+				body, err := io.ReadAll(response.Body)
+				require.NoError(t, response.Body.Close())
+				require.NoError(t, err)
+				return response.StatusCode, body
+			}
+			var productID string
+			for _, providerID := range []string{"google", "google-goodsystems", "google"} {
+				status, body := submit(providerID, token)
+				require.Equal(t, http.StatusOK, status, "%s", body)
+				require.NotEmpty(t, gjson.GetBytes(body, "session_token").String())
+				actualID := gjson.GetBytes(body, "session.identity.id").String()
+				require.NotEmpty(t, actualID)
+				assert.NotEqual(t, classic.ID.String(), actualID)
+				assert.Equal(t, "google-goodsystems", gjson.GetBytes(body, "session.authentication_methods.0.provider").String())
+				if productID == "" {
+					productID = actualID
+				} else {
+					assert.Equal(t, productID, actualID)
+				}
+
+				product, _, err := reg.PrivilegedIdentityPool().FindByCredentialsIdentifier(ctx, identity.CredentialsTypeOIDC, "google-goodsystems:"+subject)
+				require.NoError(t, err)
+				assert.Equal(t, productID, product.ID.String())
+				original, _, err := reg.PrivilegedIdentityPool().FindByCredentialsIdentifier(ctx, identity.CredentialsTypeOIDC, "google:"+subject)
+				require.NoError(t, err)
+				assert.Equal(t, classic.ID, original.ID)
+			}
+
+			// A browser-style submission has no ID token, so its provider stays exact.
+			status, body := submit("google", "")
+			require.Equal(t, http.StatusNotFound, status, "%s", body)
+			assert.Contains(t, string(body), "unknown or has not been configured")
+
+			status, body = submit("google", "invalid-id-token")
+			require.GreaterOrEqual(t, status, http.StatusBadRequest, "%s", body)
+			assert.Contains(t, string(body), "Could not verify id_token")
+			assert.Empty(t, gjson.GetBytes(body, "session_token").String())
+
+			// A product deployment without the opt-in does not accept legacy Google.
+			conf.MustSet(ctx, config.ViperKeySelfServiceStrategyConfig+".oidc.config", &oidc.ConfigurationCollection{Providers: []oidc.Configuration{provider}})
+			status, body = submit("google", token)
+			require.Equal(t, http.StatusNotFound, status, "%s", body)
+			status, body = submit("google-goodsystems", token)
+			require.Equal(t, http.StatusOK, status, "%s", body)
+			assert.Equal(t, productID, gjson.GetBytes(body, "session.identity.id").String())
+
+			// Classic still authenticates its original identity with the same subject.
+			provider.ID = "google"
+			conf.MustSet(ctx, config.ViperKeySelfServiceStrategyConfig+".oidc.config", &oidc.ConfigurationCollection{Providers: []oidc.Configuration{provider}})
+			status, body = submit("google", token)
+			require.Equal(t, http.StatusOK, status, "%s", body)
+			assert.Equal(t, classic.ID.String(), gjson.GetBytes(body, "session.identity.id").String())
+			assert.Equal(t, "google", gjson.GetBytes(body, "session.authentication_methods.0.provider").String())
+		})
+	}
+}
diff --git a/selfservice/strategy/oidc/provider_config.go b/selfservice/strategy/oidc/provider_config.go
index b98c24972ae4..880c3914f5b2 100644
--- a/selfservice/strategy/oidc/provider_config.go
+++ b/selfservice/strategy/oidc/provider_config.go
@@ -154,8 +154,10 @@ func (p Configuration) Redir(public *url.URL) string {
 }
 
 type ConfigurationCollection struct {
-	BaseRedirectURI string          `json:"base_redirect_uri"`
-	Providers       []Configuration `json:"providers"`
+	// IDTokenProviderAliases maps legacy request IDs only for ID-token authentication.
+	IDTokenProviderAliases map[string]string `json:"id_token_provider_aliases,omitempty"`
+	BaseRedirectURI        string            `json:"base_redirect_uri"`
+	Providers              []Configuration   `json:"providers"`
 }
 
 // !!! WARNING !!!
diff --git a/selfservice/strategy/oidc/provider_test.go b/selfservice/strategy/oidc/provider_test.go
index 4e45f42c72f4..61e998fa8da1 100644
--- a/selfservice/strategy/oidc/provider_test.go
+++ b/selfservice/strategy/oidc/provider_test.go
@@ -135,3 +135,12 @@ func TestLocale(t *testing.T) {
 		})
 	}
 }
+
+func RegisterTestGoogleProvider(t *testing.T, id, jwksURL string) {
+	supportedProviders[id] = func(c *Configuration, reg Dependencies) Provider {
+		provider := NewProviderGoogle(c, reg).(*ProviderGoogle)
+		provider.JWKSUrl = jwksURL
+		return provider
+	}
+	t.Cleanup(func() { delete(supportedProviders, id) })
+}
diff --git a/selfservice/strategy/oidc/strategy.go b/selfservice/strategy/oidc/strategy.go
index 901579aa4c00..c228b256ab22 100644
--- a/selfservice/strategy/oidc/strategy.go
+++ b/selfservice/strategy/oidc/strategy.go
@@ -544,13 +544,20 @@ func (s *Strategy) Config(ctx context.Context) (*ConfigurationCollection, error)
 }
 
 func (s *Strategy) provider(ctx context.Context, id string) (Provider, error) {
-	if c, err := s.Config(ctx); err != nil {
-		return nil, err
-	} else if provider, err := c.Provider(id, s.d); err != nil {
+	return s.providerForAuthentication(ctx, id, false)
+}
+
+func (s *Strategy) providerForAuthentication(ctx context.Context, id string, hasIDToken bool) (Provider, error) {
+	c, err := s.Config(ctx)
+	if err != nil {
 		return nil, err
-	} else {
-		return provider, nil
 	}
+	if hasIDToken {
+		if canonicalID, ok := c.IDTokenProviderAliases[id]; ok {
+			id = canonicalID
+		}
+	}
+	return c.Provider(id, s.d)
 }
 
 func (s *Strategy) forwardError(ctx context.Context, w http.ResponseWriter, r *http.Request, f flow.Flow, err error) {
diff --git a/selfservice/strategy/oidc/strategy_login.go b/selfservice/strategy/oidc/strategy_login.go
index a701315bf289..59c55f78ccbd 100644
--- a/selfservice/strategy/oidc/strategy_login.go
+++ b/selfservice/strategy/oidc/strategy_login.go
@@ -232,7 +232,7 @@ func (s *Strategy) Login(w http.ResponseWriter, r *http.Request, f *login.Flow,
 		return nil, s.handleError(ctx, w, r, f, pid, nil, err)
 	}
 
-	provider, err := s.provider(ctx, pid)
+	provider, err := s.providerForAuthentication(ctx, pid, p.IDToken != "")
 	if err != nil {
 		return nil, s.handleError(ctx, w, r, f, pid, nil, err)
 	}
diff --git a/selfservice/strategy/oidc/strategy_registration.go b/selfservice/strategy/oidc/strategy_registration.go
index 4edab83a351e..1698d6a1fce1 100644
--- a/selfservice/strategy/oidc/strategy_registration.go
+++ b/selfservice/strategy/oidc/strategy_registration.go
@@ -184,7 +184,7 @@ func (s *Strategy) Register(w http.ResponseWriter, r *http.Request, f *registrat
 		return s.handleError(ctx, w, r, f, pid, nil, err)
 	}
 
-	provider, err := s.provider(ctx, pid)
+	provider, err := s.providerForAuthentication(ctx, pid, p.IDToken != "")
 	if err != nil {
 		return s.handleError(ctx, w, r, f, pid, nil, err)
 	}
diff --git a/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasEmptyTarget.yaml b/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasEmptyTarget.yaml
new file mode 100644
index 000000000000..6f91a209cd22
--- /dev/null
+++ b/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasEmptyTarget.yaml
@@ -0,0 +1,22 @@
+serve:
+  public:
+    base_url: "#/definitions/baseUrl"
+
+selfservice:
+  methods:
+    oidc:
+      config:
+        id_token_provider_aliases:
+          google: ""
+  default_browser_return_url: "#/definitions/defaultReturnTo"
+
+dsn: foo
+
+identity:
+  schemas:
+    - id: default
+      url: https://example.com
+
+session:
+  cookie:
+    domain: foobar
diff --git a/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasInvalidTarget.yaml b/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasInvalidTarget.yaml
new file mode 100644
index 000000000000..fe07f3a2c5c3
--- /dev/null
+++ b/test/schema/fixtures/config.schema.test.failure/root.idTokenProviderAliasInvalidTarget.yaml
@@ -0,0 +1,22 @@
+serve:
+  public:
+    base_url: "#/definitions/baseUrl"
+
+selfservice:
+  methods:
+    oidc:
+      config:
+        id_token_provider_aliases:
+          google: 123
+  default_browser_return_url: "#/definitions/defaultReturnTo"
+
+dsn: foo
+
+identity:
+  schemas:
+    - id: default
+      url: https://example.com
+
+session:
+  cookie:
+    domain: foobar
diff --git a/test/schema/fixtures/config.schema.test.success/root.idTokenProviderAliases.yaml b/test/schema/fixtures/config.schema.test.success/root.idTokenProviderAliases.yaml
new file mode 100644
index 000000000000..258b0ff2ae8c
--- /dev/null
+++ b/test/schema/fixtures/config.schema.test.success/root.idTokenProviderAliases.yaml
@@ -0,0 +1,22 @@
+serve:
+  public:
+    base_url: "#/definitions/baseUrl"
+
+selfservice:
+  methods:
+    oidc:
+      config:
+        id_token_provider_aliases:
+          google: google-goodsystems
+  default_browser_return_url: "#/definitions/defaultReturnTo"
+
+dsn: foo
+
+identity:
+  schemas:
+    - id: default
+      url: https://example.com
+
+session:
+  cookie:
+    domain: foobar