diff --git a/packages/nc-gui/components/smartsheet/grid/GroupBy.vue b/packages/nc-gui/components/smartsheet/grid/GroupBy.vue
index ddbf216c5b..510c902cb2 100644
--- a/packages/nc-gui/components/smartsheet/grid/GroupBy.vue
+++ b/packages/nc-gui/components/smartsheet/grid/GroupBy.vue
@@ -167,11 +167,21 @@ const parseKey = (group: Group) => {
   if (key && group.column?.uidt === UITypes.Time && dayjs(key).isValid()) {
     return [dayjs(key).format(timeFormats[0])]
   }
+
+  if (key && group.column?.uidt === UITypes.User) {
+    try {
+      const parsedKey = JSON.parse(key)
+      return [parsedKey]
+    } catch {
+      return null
+    }
+  }
+
   return [key]
 }
 
 const shouldRenderCell = (column) =>
-  [UITypes.Lookup, UITypes.Attachment, UITypes.Barcode, UITypes.QrCode, UITypes.Links].includes(column?.uidt)
+  [UITypes.Lookup, UITypes.Attachment, UITypes.Barcode, UITypes.QrCode, UITypes.Links, UITypes.User].includes(column?.uidt)
 </script>
 
 <template>
diff --git a/packages/nc-gui/composables/useViewGroupBy.ts b/packages/nc-gui/composables/useViewGroupBy.ts
index 1c6ea8fddb..03534ac165 100644
--- a/packages/nc-gui/composables/useViewGroupBy.ts
+++ b/packages/nc-gui/composables/useViewGroupBy.ts
@@ -90,6 +90,12 @@ export const useViewGroupBy = (view: Ref<ViewType | undefined>, where?: Computed
       return value ? GROUP_BY_VARS.TRUE : GROUP_BY_VARS.FALSE
     }
 
+    if (col.uidt === UITypes.User) {
+      if (!value.length) {
+        return GROUP_BY_VARS.NULL
+      }
+    }
+
     // convert to JSON string if non-string value
     if (value && typeof value === 'object') {
       value = JSON.stringify(value)
@@ -155,6 +161,11 @@ export const useViewGroupBy = (view: Ref<ViewType | undefined>, where?: Computed
         acc += `${acc.length ? '~and' : ''}(${curr.title},${curr.key === GROUP_BY_VARS.TRUE ? 'checked' : 'notchecked'})`
       } else if ([UITypes.Date, UITypes.DateTime].includes(curr.column_uidt as UITypes)) {
         acc += `${acc.length ? '~and' : ''}(${curr.title},eq,exactDate,${curr.key})`
+      } else if (curr.column_uidt === UITypes.User) {
+        try {
+          const value = JSON.parse(curr.key)
+          acc += `${acc.length ? '~and' : ''}(${curr.title},gb_eq,${value.map((v: any) => v.id).join(',')})`
+        } catch (e) {}
       } else {
         acc += `${acc.length ? '~and' : ''}(${curr.title},gb_eq,${curr.key})`
       }