diff --git a/modules/backend/src/main/scala/docspell/backend/ops/OSpace.scala b/modules/backend/src/main/scala/docspell/backend/ops/OSpace.scala
index b42522bb..efec5b46 100644
--- a/modules/backend/src/main/scala/docspell/backend/ops/OSpace.scala
+++ b/modules/backend/src/main/scala/docspell/backend/ops/OSpace.scala
@@ -9,7 +9,11 @@ import docspell.store.queries.QSpace
 
 trait OSpace[F[_]] {
 
-  def findAll(collective: Ident, nameQuery: Option[String]): F[Vector[OSpace.SpaceItem]]
+  def findAll(
+      collective: Ident,
+      ownerLogin: Option[Ident],
+      nameQuery: Option[String]
+  ): F[Vector[OSpace.SpaceItem]]
 
   def findById(id: Ident, collective: Ident): F[Option[OSpace.SpaceDetail]]
 
@@ -55,9 +59,10 @@ object OSpace {
     Resource.pure[F, OSpace[F]](new OSpace[F] {
       def findAll(
           collective: Ident,
+          ownerLogin: Option[Ident],
           nameQuery: Option[String]
       ): F[Vector[SpaceItem]] =
-        store.transact(QSpace.findAll(collective, None, nameQuery))
+        store.transact(QSpace.findAll(collective, None, ownerLogin, nameQuery))
 
       def findById(id: Ident, collective: Ident): F[Option[SpaceDetail]] =
         store.transact(QSpace.findById(id, collective))
diff --git a/modules/restapi/src/main/resources/docspell-openapi.yml b/modules/restapi/src/main/resources/docspell-openapi.yml
index d1e30503..fd352df6 100644
--- a/modules/restapi/src/main/resources/docspell-openapi.yml
+++ b/modules/restapi/src/main/resources/docspell-openapi.yml
@@ -811,6 +811,7 @@ paths:
         - authTokenHeader: []
       parameters:
         - $ref: "#/components/parameters/q"
+        - $ref: "#/components/parameters/owning"
       responses:
         200:
           description: Ok
@@ -3983,6 +3984,13 @@ components:
       required: false
       schema:
         type: boolean
+    owning:
+      name: full
+      in: query
+      description: Whether to get owning spaces
+      required: false
+      schema:
+        type: boolean
     checksum:
       name: checksum
       in: path
diff --git a/modules/restserver/src/main/scala/docspell/restserver/http4s/QueryParam.scala b/modules/restserver/src/main/scala/docspell/restserver/http4s/QueryParam.scala
index 1c8ff477..b83296a1 100644
--- a/modules/restserver/src/main/scala/docspell/restserver/http4s/QueryParam.scala
+++ b/modules/restserver/src/main/scala/docspell/restserver/http4s/QueryParam.scala
@@ -24,6 +24,8 @@ object QueryParam {
 
   object FullOpt extends OptionalQueryParamDecoderMatcher[Boolean]("full")
 
+  object OwningOpt extends OptionalQueryParamDecoderMatcher[Boolean]("owning")
+
   object ContactKindOpt extends OptionalQueryParamDecoderMatcher[ContactKind]("kind")
 
   object QueryOpt extends OptionalQueryParamDecoderMatcher[QueryString]("q")
diff --git a/modules/restserver/src/main/scala/docspell/restserver/routes/SpaceRoutes.scala b/modules/restserver/src/main/scala/docspell/restserver/routes/SpaceRoutes.scala
index 480d41d2..b51fefa0 100644
--- a/modules/restserver/src/main/scala/docspell/restserver/routes/SpaceRoutes.scala
+++ b/modules/restserver/src/main/scala/docspell/restserver/routes/SpaceRoutes.scala
@@ -25,9 +25,11 @@ object SpaceRoutes {
     import dsl._
 
     HttpRoutes.of {
-      case GET -> Root :? QueryParam.QueryOpt(q) =>
+      case GET -> Root :? QueryParam.QueryOpt(q) :? QueryParam.OwningOpt(owning) =>
+        val login =
+          owning.filter(identity).map(_ => user.account.user)
         for {
-          all  <- backend.space.findAll(user.account.collective, q.map(_.q))
+          all  <- backend.space.findAll(user.account.collective, login, q.map(_.q))
           resp <- Ok(SpaceList(all.map(mkSpace).toList))
         } yield resp
 
diff --git a/modules/store/src/main/scala/docspell/store/queries/QSpace.scala b/modules/store/src/main/scala/docspell/store/queries/QSpace.scala
index bd3febe3..696ad9fe 100644
--- a/modules/store/src/main/scala/docspell/store/queries/QSpace.scala
+++ b/modules/store/src/main/scala/docspell/store/queries/QSpace.scala
@@ -149,7 +149,7 @@ object QSpace {
     ).query[IdRef].to[Vector]
 
     (for {
-      space <- OptionT(findAll(collective, Some(id), None).map(_.headOption))
+      space <- OptionT(findAll(collective, Some(id), None, None).map(_.headOption))
       memb  <- OptionT.liftF(memberQ)
     } yield space.withMembers(memb.toList)).value
   }
@@ -157,9 +157,11 @@ object QSpace {
   def findAll(
       collective: Ident,
       idQ: Option[Ident],
+      ownerLogin: Option[Ident],
       nameQ: Option[String]
   ): ConnectionIO[Vector[SpaceItem]] = {
     val uId    = RUser.Columns.uid.prefix("u")
+    val uLogin = RUser.Columns.login.prefix("u")
     val sId    = RSpace.Columns.id.prefix("s")
     val sOwner = RSpace.Columns.owner.prefix("s")
     val sName  = RSpace.Columns.name.prefix("s")
@@ -178,7 +180,7 @@ object QSpace {
     val where =
       sColl.is(collective) :: idQ.toList.map(id => sId.is(id)) ::: nameQ.toList.map(q =>
         sName.lowerLike(s"%${q.toLowerCase}%")
-      )
+      ) ::: ownerLogin.toList.map(login => uLogin.is(login))
 
     selectSimple(cols, from, and(where) ++ orderBy(sName.asc)).query[SpaceItem].to[Vector]
   }