diff --git a/temporalio/worker/_workflow_instance.py b/temporalio/worker/_workflow_instance.py
index c33796ef..5f24d684 100644
--- a/temporalio/worker/_workflow_instance.py
+++ b/temporalio/worker/_workflow_instance.py
@@ -1023,6 +1023,9 @@ def workflow_get_update_validator(self, name: Optional[str]) -> Optional[Callabl
     def workflow_info(self) -> temporalio.workflow.Info:
         return self._outbound.info()
 
+    def workflow_instance(self) -> Any:
+        return self._object
+
     def workflow_is_continue_as_new_suggested(self) -> bool:
         return self._continue_as_new_suggested
 
diff --git a/temporalio/workflow.py b/temporalio/workflow.py
index 6351bace..bf57e928 100644
--- a/temporalio/workflow.py
+++ b/temporalio/workflow.py
@@ -625,6 +625,9 @@ def workflow_get_update_validator(
     @abstractmethod
     def workflow_info(self) -> Info: ...
 
+    @abstractmethod
+    def workflow_instance(self) -> Any: ...
+
     @abstractmethod
     def workflow_is_continue_as_new_suggested(self) -> bool: ...
 
@@ -818,6 +821,15 @@ def info() -> Info:
     return _Runtime.current().workflow_info()
 
 
+def instance() -> Any:
+    """Current workflow's instance.
+
+    Returns:
+        The currently running workflow instance.
+    """
+    return _Runtime.current().workflow_instance()
+
+
 def memo() -> Mapping[str, Any]:
     """Current workflow's memo values, converted without type hints.