diff --git a/cpp/build-support/asan_symbolize.py b/cpp/build-support/asan_symbolize.py
index bffb75a1644..854090ae599 100755
--- a/cpp/build-support/asan_symbolize.py
+++ b/cpp/build-support/asan_symbolize.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #===- lib/asan/scripts/asan_symbolize.py -----------------------------------===#
 #
 #                     The LLVM Compiler Infrastructure
diff --git a/cpp/build-support/cpplint.py b/cpp/build-support/cpplint.py
index 470623d5281..a40c538e79c 100755
--- a/cpp/build-support/cpplint.py
+++ b/cpp/build-support/cpplint.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (c) 2009 Google Inc. All rights reserved.
 #
diff --git a/cpp/build-support/lint_cpp_cli.py b/cpp/build-support/lint_cpp_cli.py
index b42d9588661..a0eb8f0efe6 100755
--- a/cpp/build-support/lint_cpp_cli.py
+++ b/cpp/build-support/lint_cpp_cli.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
diff --git a/cpp/build-support/run_clang_format.py b/cpp/build-support/run_clang_format.py
index 5b6320609ed..fd653a53071 100755
--- a/cpp/build-support/run_clang_format.py
+++ b/cpp/build-support/run_clang_format.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
diff --git a/cpp/build-support/run_clang_tidy.py b/cpp/build-support/run_clang_tidy.py
index 857fc266b07..e5211be84e5 100755
--- a/cpp/build-support/run_clang_tidy.py
+++ b/cpp/build-support/run_clang_tidy.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
diff --git a/cpp/build-support/run_cpplint.py b/cpp/build-support/run_cpplint.py
index 6c841fe54b7..cc98e094e6c 100755
--- a/cpp/build-support/run_cpplint.py
+++ b/cpp/build-support/run_cpplint.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information