diff --git a/python-package/lightgbm/dask.py b/python-package/lightgbm/dask.py
index 299733ba11fc..b985c08757c7 100644
--- a/python-package/lightgbm/dask.py
+++ b/python-package/lightgbm/dask.py
@@ -1213,6 +1213,11 @@ def fit(
     fit.__doc__ = f"""{_base_doc[:_base_doc.find('callbacks :')]}**kwargs
         Other parameters passed through to ``LGBMClassifier.fit()``.
 
+    Returns
+    -------
+    self : lightgbm.DaskLGBMClassifier
+        Returns self.
+
     {_lgbmmodel_doc_custom_eval_note}
         """
 
@@ -1393,6 +1398,11 @@ def fit(
     fit.__doc__ = f"""{_base_doc[:_base_doc.find('callbacks :')]}**kwargs
         Other parameters passed through to ``LGBMRegressor.fit()``.
 
+    Returns
+    -------
+    self : lightgbm.DaskLGBMRegressor
+        Returns self.
+
     {_lgbmmodel_doc_custom_eval_note}
         """
 
@@ -1556,6 +1566,11 @@ def fit(
     fit.__doc__ = f"""{_base_doc[:_base_doc.find('callbacks :')]}**kwargs
         Other parameters passed through to ``LGBMRanker.fit()``.
 
+    Returns
+    -------
+    self : lightgbm.DaskLGBMRanker
+        Returns self.
+
     {_lgbmmodel_doc_custom_eval_note}
         """