diff --git a/modules/structs/repo.go b/modules/structs/repo.go
index f6cc9803a..1158160b5 100644
--- a/modules/structs/repo.go
+++ b/modules/structs/repo.go
@@ -89,6 +89,7 @@ type Repository struct {
 	HasWiki                       bool             `json:"has_wiki"`
 	ExternalWiki                  *ExternalWiki    `json:"external_wiki,omitempty"`
 	WikiBranch                    string           `json:"wiki_branch,omitempty"`
+	GloballyEditableWiki          bool             `json:"globally_editable_wiki"`
 	HasPullRequests               bool             `json:"has_pull_requests"`
 	HasProjects                   bool             `json:"has_projects"`
 	HasReleases                   bool             `json:"has_releases"`
@@ -185,6 +186,8 @@ type EditRepoOption struct {
 	HasWiki *bool `json:"has_wiki,omitempty"`
 	// set this structure to use external wiki instead of internal
 	ExternalWiki *ExternalWiki `json:"external_wiki,omitempty"`
+	// set the globally editable state of the wiki
+	GloballyEditableWiki *bool `json:"globally_editable_wiki,omitempty"`
 	// sets the default branch for this repository.
 	DefaultBranch *string `json:"default_branch,omitempty"`
 	// sets the branch used for this repository's wiki.
diff --git a/routers/api/v1/repo/repo.go b/routers/api/v1/repo/repo.go
index 562c3eb64..6692633fa 100644
--- a/routers/api/v1/repo/repo.go
+++ b/routers/api/v1/repo/repo.go
@@ -845,6 +845,15 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 		newHasWiki = *opts.HasWiki
 	}
 	if currHasWiki || newHasWiki {
+		wikiPermissions := repo.MustGetUnit(ctx, unit_model.TypeWiki).DefaultPermissions
+		if opts.GloballyEditableWiki != nil {
+			if *opts.GloballyEditableWiki {
+				wikiPermissions = repo_model.UnitAccessModeWrite
+			} else {
+				wikiPermissions = repo_model.UnitAccessModeRead
+			}
+		}
+
 		if newHasWiki && opts.ExternalWiki != nil && !unit_model.TypeExternalWiki.UnitGlobalDisabled() {
 			// Check that values are valid
 			if !validation.IsValidExternalURL(opts.ExternalWiki.ExternalWikiURL) {
@@ -864,9 +873,10 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 		} else if newHasWiki && opts.ExternalWiki == nil && !unit_model.TypeWiki.UnitGlobalDisabled() {
 			config := &repo_model.UnitConfig{}
 			units = append(units, repo_model.RepoUnit{
-				RepoID: repo.ID,
-				Type:   unit_model.TypeWiki,
-				Config: config,
+				RepoID:             repo.ID,
+				Type:               unit_model.TypeWiki,
+				Config:             config,
+				DefaultPermissions: wikiPermissions,
 			})
 			deleteUnitTypes = append(deleteUnitTypes, unit_model.TypeExternalWiki)
 		} else if !newHasWiki {
@@ -876,6 +886,14 @@ func updateRepoUnits(ctx *context.APIContext, opts api.EditRepoOption) error {
 			if !unit_model.TypeWiki.UnitGlobalDisabled() {
 				deleteUnitTypes = append(deleteUnitTypes, unit_model.TypeWiki)
 			}
+		} else if *opts.GloballyEditableWiki {
+			config := &repo_model.UnitConfig{}
+			units = append(units, repo_model.RepoUnit{
+				RepoID:             repo.ID,
+				Type:               unit_model.TypeWiki,
+				Config:             config,
+				DefaultPermissions: wikiPermissions,
+			})
 		}
 	}
 
diff --git a/services/convert/repository.go b/services/convert/repository.go
index 466d19d56..fcd0824e4 100644
--- a/services/convert/repository.go
+++ b/services/convert/repository.go
@@ -77,9 +77,13 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR
 		}
 	}
 	hasWiki := false
+	globallyEditableWiki := false
 	var externalWiki *api.ExternalWiki
-	if _, err := repo.GetUnit(ctx, unit_model.TypeWiki); err == nil {
+	if wikiUnit, err := repo.GetUnit(ctx, unit_model.TypeWiki); err == nil {
 		hasWiki = true
+		if wikiUnit.DefaultPermissions == repo_model.UnitAccessModeWrite {
+			globallyEditableWiki = true
+		}
 	} else if unit, err := repo.GetUnit(ctx, unit_model.TypeExternalWiki); err == nil {
 		hasWiki = true
 		config := unit.ExternalWikiConfig()
@@ -211,6 +215,7 @@ func innerToRepo(ctx context.Context, repo *repo_model.Repository, permissionInR
 		InternalTracker:               internalTracker,
 		HasWiki:                       hasWiki,
 		WikiBranch:                    repo.WikiBranch,
+		GloballyEditableWiki:          globallyEditableWiki,
 		HasProjects:                   hasProjects,
 		HasReleases:                   hasReleases,
 		HasPackages:                   hasPackages,
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index 4e4971dfe..2bec62694 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -20835,6 +20835,11 @@
         "external_wiki": {
           "$ref": "#/definitions/ExternalWiki"
         },
+        "globally_editable_wiki": {
+          "description": "set the globally editable state of the wiki",
+          "type": "boolean",
+          "x-go-name": "GloballyEditableWiki"
+        },
         "has_actions": {
           "description": "either `true` to enable actions unit, or `false` to disable them.",
           "type": "boolean",
@@ -23749,6 +23754,10 @@
           "type": "string",
           "x-go-name": "FullName"
         },
+        "globally_editable_wiki": {
+          "type": "boolean",
+          "x-go-name": "GloballyEditableWiki"
+        },
         "has_actions": {
           "type": "boolean",
           "x-go-name": "HasActions"
diff --git a/tests/integration/api_wiki_test.go b/tests/integration/api_wiki_test.go
index c61b4a061..2b7161611 100644
--- a/tests/integration/api_wiki_test.go
+++ b/tests/integration/api_wiki_test.go
@@ -15,6 +15,7 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	unit_model "code.gitea.io/gitea/models/unit"
 	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
 	api "code.gitea.io/gitea/modules/structs"
 	repo_service "code.gitea.io/gitea/services/repository"
 	"code.gitea.io/gitea/tests"
@@ -286,6 +287,63 @@ func TestAPIEditOtherWikiPage(t *testing.T) {
 	testCreateWiki(http.StatusCreated)
 }
 
+func TestAPISetWikiGlobalEditability(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{Name: "user2"})
+	session := loginUser(t, user.Name)
+	token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository)
+
+	// Create a new repository for testing purposes
+	repo, _, f := CreateDeclarativeRepo(t, user, "", []unit_model.Type{
+		unit_model.TypeCode,
+		unit_model.TypeWiki,
+	}, nil, nil)
+	defer f()
+	urlStr := fmt.Sprintf("/api/v1/repos/%s", repo.FullName())
+
+	assertGlobalEditability := func(t *testing.T, editability bool) {
+		t.Helper()
+
+		req := NewRequest(t, "GET", urlStr)
+		resp := MakeRequest(t, req, http.StatusOK)
+
+		var opts api.Repository
+		DecodeJSON(t, resp, &opts)
+
+		assert.Equal(t, opts.GloballyEditableWiki, editability)
+	}
+
+	t.Run("api includes GloballyEditableWiki", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		assertGlobalEditability(t, false)
+	})
+
+	t.Run("api can turn on GloballyEditableWiki", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		globallyEditable := true
+		req := NewRequestWithJSON(t, "PATCH", urlStr, &api.EditRepoOption{
+			GloballyEditableWiki: &globallyEditable,
+		}).AddTokenAuth(token)
+		MakeRequest(t, req, http.StatusOK)
+
+		assertGlobalEditability(t, true)
+	})
+
+	t.Run("disabling the wiki disables GloballyEditableWiki", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		hasWiki := false
+		req := NewRequestWithJSON(t, "PATCH", urlStr, &api.EditRepoOption{
+			HasWiki: &hasWiki,
+		}).AddTokenAuth(token)
+		MakeRequest(t, req, http.StatusOK)
+
+		assertGlobalEditability(t, false)
+	})
+}
+
 func TestAPIListPageRevisions(t *testing.T) {
 	defer tests.PrepareTestEnv(t)()
 	username := "user2"