diff --git a/docs/overview.rst b/docs/overview.rst
index fe764c7c96..c37373d47f 100644
--- a/docs/overview.rst
+++ b/docs/overview.rst
@@ -117,7 +117,7 @@ Cryptographic Hashing
 ---------------------
 
 - :meth:`Web3.keccak() <web3.Web3.keccak>`
-- :meth:`Web3.solidityKeccak() <web3.Web3.solidityKeccak>`
+- :meth:`Web3.solidity_keccak() <web3.Web3.solidity_keccak>`
 
 
 web3.eth API
diff --git a/docs/web3.main.rst b/docs/web3.main.rst
index 1161977336..f886fb9cbb 100644
--- a/docs/web3.main.rst
+++ b/docs/web3.main.rst
@@ -268,7 +268,7 @@ Cryptographic Hashing
         >>> Web3.keccak(text='txt')
         HexBytes('0xd7278090a36507640ea6b7a0034b69b0d240766fa3f98e3722be93c613b29d2e')
 
-.. py:classmethod:: Web3.solidityKeccak(abi_types, value)
+.. py:classmethod:: Web3.solidity_keccak(abi_types, value)
 
     Returns the Keccak-256 as it would be computed by the solidity ``keccak``
     function on a *packed* ABI encoding of the ``value`` list contents.  The ``abi_types``
@@ -278,19 +278,19 @@ Cryptographic Hashing
 
     .. code-block:: python
 
-        >>> Web3.solidityKeccak(['bool'], [True])
+        >>> Web3.solidity_keccak(['bool'], [True])
         HexBytes("0x5fe7f977e71dba2ea1a68e21057beebb9be2ac30c6410aa38d4f3fbe41dcffd2")
 
-        >>> Web3.solidityKeccak(['uint8', 'uint8', 'uint8'], [97, 98, 99])
+        >>> Web3.solidity_keccak(['uint8', 'uint8', 'uint8'], [97, 98, 99])
         HexBytes("0x4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
 
-        >>> Web3.solidityKeccak(['uint8[]'], [[97, 98, 99]])
+        >>> Web3.solidity_keccak(['uint8[]'], [[97, 98, 99]])
         HexBytes("0x233002c671295529bcc50b76a2ef2b0de2dac2d93945fca745255de1a9e4017e")
 
-        >>> Web3.solidityKeccak(['address'], ["0x49EdDD3769c0712032808D86597B84ac5c2F5614"])
+        >>> Web3.solidity_keccak(['address'], ["0x49EdDD3769c0712032808D86597B84ac5c2F5614"])
         HexBytes("0x2ff37b5607484cd4eecf6d13292e22bd6e5401eaffcc07e279583bc742c68882")
 
-        >>> Web3.solidityKeccak(['address'], ["ethereumfoundation.eth"])
+        >>> Web3.solidity_keccak(['address'], ["ethereumfoundation.eth"])
         HexBytes("0x913c99ea930c78868f1535d34cd705ab85929b2eaaf70fcd09677ecd6e5d75e9")
 
 
diff --git a/newsfragments/2702.breaking.rst b/newsfragments/2702.breaking.rst
new file mode 100644
index 0000000000..d59b84ac64
--- /dev/null
+++ b/newsfragments/2702.breaking.rst
@@ -0,0 +1 @@
+Snakecase the solidityKeccak method
\ No newline at end of file
diff --git a/web3/_utils/module_testing/web3_module.py b/web3/_utils/module_testing/web3_module.py
index 936b41a191..197715c584 100644
--- a/web3/_utils/module_testing/web3_module.py
+++ b/web3/_utils/module_testing/web3_module.py
@@ -219,7 +219,7 @@ def _check_web3_client_version(self, client_version: str) -> NoReturn:
             ),
         ),
     )
-    def test_solidityKeccak(
+    def test_solidity_keccak(
         self,
         w3: "Web3",
         types: Sequence[TypeStr],
@@ -228,10 +228,10 @@ def test_solidityKeccak(
     ) -> None:
         if isinstance(expected, type) and issubclass(expected, Exception):
             with pytest.raises(expected):  # type: ignore
-                w3.solidityKeccak(types, values)
+                w3.solidity_keccak(types, values)
             return
 
-        actual = w3.solidityKeccak(types, values)
+        actual = w3.solidity_keccak(types, values)
         assert actual == expected
 
     @pytest.mark.parametrize(
@@ -253,7 +253,7 @@ def test_solidityKeccak(
             ),
         ),
     )
-    def test_solidityKeccak_ens(
+    def test_solidity_keccak_ens(
         self,
         w3: "Web3",
         types: Sequence[TypeStr],
@@ -273,10 +273,10 @@ def test_solidityKeccak_ens(
         ):
             # when called as class method, any name lookup attempt will fail
             with pytest.raises(InvalidAddress):
-                Web3.solidityKeccak(types, values)
+                Web3.solidity_keccak(types, values)
 
             # when called as instance method, ens lookups can succeed
-            actual = w3.solidityKeccak(types, values)
+            actual = w3.solidity_keccak(types, values)
             assert actual == expected
 
     @pytest.mark.parametrize(
@@ -287,11 +287,11 @@ def test_solidityKeccak_ens(
             ([], ["0xA6b759bBbf4B59D24acf7E06e79f3a5D104fdCE5"]),
         ),
     )
-    def test_solidityKeccak_same_number_of_types_and_values(
+    def test_solidity_keccak_same_number_of_types_and_values(
         self, w3: "Web3", types: Sequence[TypeStr], values: Sequence[Any]
     ) -> None:
         with pytest.raises(ValueError):
-            w3.solidityKeccak(types, values)
+            w3.solidity_keccak(types, values)
 
     def test_is_connected(self, w3: "Web3") -> None:
         assert w3.is_connected()
diff --git a/web3/main.py b/web3/main.py
index 99fb34360f..f8bc487c0d 100644
--- a/web3/main.py
+++ b/web3/main.py
@@ -302,7 +302,7 @@ def keccak(
         )
 
     @combomethod
-    def solidityKeccak(cls, abi_types: List[TypeStr], values: List[Any]) -> bytes:
+    def solidity_keccak(cls, abi_types: List[TypeStr], values: List[Any]) -> bytes:
         """
         Executes keccak256 exactly as Solidity does.
         Takes list of abi_types as inputs -- `[uint24, int8[], bool]`