diff --git a/duckdb/__init__.py b/duckdb/__init__.py
index e1a4aa9a..a7370083 100644
--- a/duckdb/__init__.py
+++ b/duckdb/__init__.py
@@ -184,7 +184,7 @@
     ShortValue,
     StringValue,
     StructValue,
-    TimestampMilisecondValue,
+    TimestampMillisecondValue,
     TimestampNanosecondValue,
     TimestampSecondValue,
     TimestampTimeZoneValue,
@@ -270,7 +270,7 @@
     "SyntaxException",
     "TimeTimeZoneValue",
     "TimeValue",
-    "TimestampMilisecondValue",
+    "TimestampMillisecondValue",
     "TimestampNanosecondValue",
     "TimestampSecondValue",
     "TimestampTimeZoneValue",
diff --git a/duckdb/experimental/spark/sql/type_utils.py b/duckdb/experimental/spark/sql/type_utils.py
index 0874f2da..15217788 100644
--- a/duckdb/experimental/spark/sql/type_utils.py
+++ b/duckdb/experimental/spark/sql/type_utils.py
@@ -24,7 +24,7 @@
     StructField,
     StructType,
     TimeNTZType,
-    TimestampMilisecondNTZType,
+    TimestampMillisecondNTZType,
     TimestampNanosecondNTZType,
     TimestampNTZType,
     TimestampSecondNTZType,
@@ -60,7 +60,7 @@
     "timestamp": TimestampNTZType,
     "timestamp with time zone": TimestampType,
     "timestamp_ms": TimestampNanosecondNTZType,
-    "timestamp_ns": TimestampMilisecondNTZType,
+    "timestamp_ns": TimestampMillisecondNTZType,
     "timestamp_s": TimestampSecondNTZType,
     "interval": DayTimeIntervalType,
     "list": ArrayType,
diff --git a/duckdb/experimental/spark/sql/types.py b/duckdb/experimental/spark/sql/types.py
index 3213169b..2e87f9ff 100644
--- a/duckdb/experimental/spark/sql/types.py
+++ b/duckdb/experimental/spark/sql/types.py
@@ -53,7 +53,7 @@
     "StructType",
     "TimeNTZType",
     "TimeType",
-    "TimestampMilisecondNTZType",
+    "TimestampMillisecondNTZType",
     "TimestampNTZType",
     "TimestampNanosecondNTZType",
     "TimestampSecondNTZType",
@@ -282,8 +282,8 @@ def fromInternal(self, ts: int) -> datetime.datetime:  # noqa: D102
         raise ContributionsAcceptedError
 
 
-class TimestampMilisecondNTZType(AtomicType, metaclass=DataTypeSingleton):
-    """Timestamp (datetime.datetime) data type without timezone information with milisecond precision."""
+class TimestampMillisecondNTZType(AtomicType, metaclass=DataTypeSingleton):
+    """Timestamp (datetime.datetime) data type without timezone information with millisecond precision."""
 
     def __init__(self) -> None:  # noqa: D107
         super().__init__(DuckDBPyType("TIMESTAMP_MS"))
diff --git a/duckdb/value/constant/__init__.py b/duckdb/value/constant/__init__.py
index 530c6bdc..135eed4b 100644
--- a/duckdb/value/constant/__init__.py
+++ b/duckdb/value/constant/__init__.py
@@ -178,7 +178,7 @@ def __init__(self, object: Any) -> None:
         super().__init__(object, TIMESTAMP_S)
 
 
-class TimestampMilisecondValue(Value):
+class TimestampMillisecondValue(Value):
     def __init__(self, object: Any) -> None:
         super().__init__(object, TIMESTAMP_MS)
 
@@ -255,7 +255,7 @@ def __init__(self, object: Any, members: dict[str, DuckDBPyType]) -> None:
     "StringValue",
     "TimeTimeZoneValue",
     "TimeValue",
-    "TimestampMilisecondValue",
+    "TimestampMillisecondValue",
     "TimestampNanosecondValue",
     "TimestampSecondValue",
     "TimestampTimeZoneValue",
diff --git a/tests/fast/spark/test_spark_types.py b/tests/fast/spark/test_spark_types.py
index 7e72aad6..3950ea4d 100644
--- a/tests/fast/spark/test_spark_types.py
+++ b/tests/fast/spark/test_spark_types.py
@@ -29,7 +29,7 @@
     StructField,
     StructType,
     TimeNTZType,
-    TimestampMilisecondNTZType,
+    TimestampMillisecondNTZType,
     TimestampNanosecondNTZType,
     TimestampNTZType,
     TimestampSecondNTZType,
@@ -85,7 +85,7 @@ def test_all_types_schema(self, spark):
                 StructField("timestamp", TimestampNTZType(), True),
                 StructField("timestamp_s", TimestampSecondNTZType(), True),
                 StructField("timestamp_ms", TimestampNanosecondNTZType(), True),
-                StructField("timestamp_ns", TimestampMilisecondNTZType(), True),
+                StructField("timestamp_ns", TimestampMillisecondNTZType(), True),
                 StructField("time_tz", TimeType(), True),
                 StructField("timestamp_tz", TimestampType(), True),
                 StructField("float", FloatType(), True),
diff --git a/tests/fast/test_value.py b/tests/fast/test_value.py
index bf66bee8..d5d794ff 100644
--- a/tests/fast/test_value.py
+++ b/tests/fast/test_value.py
@@ -46,7 +46,7 @@
     NullValue,
     ShortValue,
     StringValue,
-    TimestampMilisecondValue,
+    TimestampMillisecondValue,
     TimestampNanosecondValue,
     TimestampSecondValue,
     TimestampValue,
@@ -128,7 +128,7 @@ def test_float_to_decimal_prevention(self):
         "value",
         [
             TimestampSecondValue(datetime.datetime(1970, 3, 21, 12, 36, 43)),
-            TimestampMilisecondValue(datetime.datetime(1970, 3, 21, 12, 36, 43)),
+            TimestampMillisecondValue(datetime.datetime(1970, 3, 21, 12, 36, 43)),
             TimestampNanosecondValue(datetime.datetime(1970, 3, 21, 12, 36, 43)),
         ],
     )