diff --git a/python/pyspark/pandas/frame.py b/python/pyspark/pandas/frame.py
index 9846dc0ae10b7..a7edac5509b14 100644
--- a/python/pyspark/pandas/frame.py
+++ b/python/pyspark/pandas/frame.py
@@ -6126,6 +6126,13 @@ def interpolate(
             raise ValueError("invalid limit_direction: '{}'".format(limit_direction))
         if (limit_area is not None) and (limit_area not in ["inside", "outside"]):
             raise ValueError("invalid limit_area: '{}'".format(limit_area))
+        for dtype in self.dtypes.values:
+            if dtype == "object":
+                warnings.warn(
+                    "DataFrame.interpolate with object dtype is deprecated and will raise in a "
+                    "future version. Convert to a specific numeric type before interpolating.",
+                    FutureWarning,
+                )
 
         numeric_col_names = []
         for label in self._internal.column_labels:
diff --git a/python/pyspark/pandas/series.py b/python/pyspark/pandas/series.py
index 6d7a7c1f2e567..a35e19545d5a5 100644
--- a/python/pyspark/pandas/series.py
+++ b/python/pyspark/pandas/series.py
@@ -2231,6 +2231,12 @@ def _interpolate(
         limit_direction: Optional[str] = None,
         limit_area: Optional[str] = None,
     ) -> "Series":
+        if self.dtype == "object":
+            warnings.warn(
+                "Series.interpolate with object dtype is deprecated and will raise in a "
+                "future version. Convert to a specific numeric type before interpolating.",
+                FutureWarning,
+            )
         if method not in ["linear"]:
             raise NotImplementedError("interpolate currently works only for method='linear'")
         if (limit is not None) and (not limit > 0):