diff --git a/models/actions/run.go b/models/actions/run.go
index 732fb48bb9..f40bc1eb3d 100644
--- a/models/actions/run.go
+++ b/models/actions/run.go
@@ -37,6 +37,7 @@ type ActionRun struct {
 	TriggerUser       *user_model.User       `xorm:"-"`
 	ScheduleID        int64
 	Ref               string `xorm:"index"` // the commit/tag/… that caused the run
+	IsRefDeleted      bool   `xorm:"-"`
 	CommitSHA         string
 	IsForkPullRequest bool                         // If this is triggered by a PR from a forked repository or an untrusted user, we need to check if it is approved and limit permissions when running the workflow.
 	NeedApproval      bool                         // may need approval if it's a fork pull request
diff --git a/models/git/branch.go b/models/git/branch.go
index ba1ada5517..e683ce47e6 100644
--- a/models/git/branch.go
+++ b/models/git/branch.go
@@ -12,6 +12,7 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/container"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/optional"
@@ -169,9 +170,22 @@ func GetBranch(ctx context.Context, repoID int64, branchName string) (*Branch, e
 	return &branch, nil
 }
 
-func GetBranches(ctx context.Context, repoID int64, branchNames []string) ([]*Branch, error) {
+func GetBranches(ctx context.Context, repoID int64, branchNames []string, includeDeleted bool) ([]*Branch, error) {
 	branches := make([]*Branch, 0, len(branchNames))
-	return branches, db.GetEngine(ctx).Where("repo_id=?", repoID).In("name", branchNames).Find(&branches)
+
+	sess := db.GetEngine(ctx).Where("repo_id=?", repoID).In("name", branchNames)
+	if !includeDeleted {
+		sess.And("is_deleted=?", false)
+	}
+	return branches, sess.Find(&branches)
+}
+
+func BranchesToNamesSet(branches []*Branch) container.Set[string] {
+	names := make(container.Set[string], len(branches))
+	for _, branch := range branches {
+		names.Add(branch.Name)
+	}
+	return names
 }
 
 func AddBranches(ctx context.Context, branches []*Branch) error {
diff --git a/routers/web/repo/actions/actions.go b/routers/web/repo/actions/actions.go
index ad16b9fb4e..7ed37ea26b 100644
--- a/routers/web/repo/actions/actions.go
+++ b/routers/web/repo/actions/actions.go
@@ -245,6 +245,10 @@ func List(ctx *context.Context) {
 		return
 	}
 
+	if err := loadIsRefDeleted(ctx, runs); err != nil {
+		log.Error("LoadIsRefDeleted", err)
+	}
+
 	ctx.Data["Runs"] = runs
 
 	actors, err := actions_model.GetActors(ctx, ctx.Repo.Repository.ID)
@@ -267,6 +271,34 @@ func List(ctx *context.Context) {
 	ctx.HTML(http.StatusOK, tplListActions)
 }
 
+// loadIsRefDeleted loads the IsRefDeleted field for each run in the list.
+// TODO: move this function to models/actions/run_list.go but now it will result in a circular import.
+func loadIsRefDeleted(ctx *context.Context, runs actions_model.RunList) error {
+	branches := make(container.Set[string], len(runs))
+	for _, run := range runs {
+		refName := git.RefName(run.Ref)
+		if refName.IsBranch() {
+			branches.Add(refName.ShortName())
+		}
+	}
+	if len(branches) == 0 {
+		return nil
+	}
+
+	branchInfos, err := git_model.GetBranches(ctx, ctx.Repo.Repository.ID, branches.Values(), false)
+	if err != nil {
+		return err
+	}
+	branchSet := git_model.BranchesToNamesSet(branchInfos)
+	for _, run := range runs {
+		refName := git.RefName(run.Ref)
+		if refName.IsBranch() && !branchSet.Contains(run.Ref) {
+			run.IsRefDeleted = true
+		}
+	}
+	return nil
+}
+
 type WorkflowDispatchInput struct {
 	Name        string   `yaml:"name"`
 	Description string   `yaml:"description"`
diff --git a/routers/web/repo/actions/view.go b/routers/web/repo/actions/view.go
index 73c6e54fbf..b711038da0 100644
--- a/routers/web/repo/actions/view.go
+++ b/routers/web/repo/actions/view.go
@@ -19,6 +19,7 @@ import (
 
 	actions_model "code.gitea.io/gitea/models/actions"
 	"code.gitea.io/gitea/models/db"
+	git_model "code.gitea.io/gitea/models/git"
 	"code.gitea.io/gitea/models/perm"
 	access_model "code.gitea.io/gitea/models/perm/access"
 	repo_model "code.gitea.io/gitea/models/repo"
@@ -136,8 +137,9 @@ type ViewUser struct {
 }
 
 type ViewBranch struct {
-	Name string `json:"name"`
-	Link string `json:"link"`
+	Name      string `json:"name"`
+	Link      string `json:"link"`
+	IsDeleted bool   `json:"isDeleted"`
 }
 
 type ViewJobStep struct {
@@ -236,6 +238,16 @@ func ViewPost(ctx *context_module.Context) {
 		Name: run.PrettyRef(),
 		Link: run.RefLink(),
 	}
+	refName := git.RefName(run.Ref)
+	if refName.IsBranch() {
+		b, err := git_model.GetBranch(ctx, ctx.Repo.Repository.ID, refName.ShortName())
+		if err != nil && !git_model.IsErrBranchNotExist(err) {
+			log.Error("GetBranch: %v", err)
+		} else if git_model.IsErrBranchNotExist(err) || (b != nil && b.IsDeleted) {
+			branch.IsDeleted = true
+		}
+	}
+
 	resp.State.Run.Commit = ViewCommit{
 		ShortSha: base.ShortSha(run.CommitSHA),
 		Link:     fmt.Sprintf("%s/commit/%s", run.Repo.Link(), run.CommitSHA),
diff --git a/services/repository/branch.go b/services/repository/branch.go
index 508817c83e..3a95aab264 100644
--- a/services/repository/branch.go
+++ b/services/repository/branch.go
@@ -305,7 +305,7 @@ func SyncBranchesToDB(ctx context.Context, repoID, pusherID int64, branchNames,
 	}
 
 	return db.WithTx(ctx, func(ctx context.Context) error {
-		branches, err := git_model.GetBranches(ctx, repoID, branchNames)
+		branches, err := git_model.GetBranches(ctx, repoID, branchNames, true)
 		if err != nil {
 			return fmt.Errorf("git_model.GetBranches: %v", err)
 		}
diff --git a/templates/repo/actions/runs_list.tmpl b/templates/repo/actions/runs_list.tmpl
index 5537e9e617..fa1adb3e3b 100644
--- a/templates/repo/actions/runs_list.tmpl
+++ b/templates/repo/actions/runs_list.tmpl
@@ -27,10 +27,10 @@
 				</div>
 			</div>
 			<div class="flex-item-trailing">
-				{{if .RefLink}}
-					<a class="ui label run-list-ref gt-ellipsis" href="{{.RefLink}}">{{.PrettyRef}}</a>
+				{{if .IsRefDeleted}}
+					<span class="ui label run-list-ref gt-ellipsis tw-line-through" data-tooltip-content="{{.PrettyRef}}">{{.PrettyRef}}</span>
 				{{else}}
-					<span class="ui label run-list-ref gt-ellipsis">{{.PrettyRef}}</span>
+					<a class="ui label run-list-ref gt-ellipsis" href="{{.RefLink}}" data-tooltip-content="{{.PrettyRef}}">{{.PrettyRef}}</a>
 				{{end}}
 				<div class="run-list-item-right">
 					<div class="run-list-meta">{{svg "octicon-calendar" 16}}{{DateUtils.TimeSince .Updated}}</div>
diff --git a/web_src/js/components/RepoActionView.vue b/web_src/js/components/RepoActionView.vue
index 7f647b668a..eece2efaf8 100644
--- a/web_src/js/components/RepoActionView.vue
+++ b/web_src/js/components/RepoActionView.vue
@@ -429,7 +429,8 @@ export function initRepositoryActionView() {
           <a class="muted" :href="run.commit.pusher.link">{{ run.commit.pusher.displayName }}</a>
         </template>
         <span class="ui label tw-max-w-full" v-if="run.commit.shortSHA">
-          <a class="gt-ellipsis" :href="run.commit.branch.link">{{ run.commit.branch.name }}</a>
+          <span v-if="run.commit.branch.isDeleted" class="gt-ellipsis tw-line-through" :data-tooltip-content="run.commit.branch.name">{{ run.commit.branch.name }}</span>
+          <a v-else class="gt-ellipsis" :href="run.commit.branch.link" :data-tooltip-content="run.commit.branch.name">{{ run.commit.branch.name }}</a>
         </span>
       </div>
     </div>