Washington Township may refer to a number of townships in the United States, listed here by state (with the number of "Washington Townships" in each state in parentheses):
- Washington Township, Arkansas (12)
- Washington Township, Illinois (2)
- Washington Township, Indiana (45)
- Washington Township, Iowa (48)
- Washington Township, Kansas (13)
- Washington Township, Michigan (3)
- Washington Township, Minnesota (1)
- Washington Township, Missouri (27)
- Washington Township, Nebraska (6)
- Washington Township, New Jersey (6)
- Washington Township, North Carolina (1)
- Washington Township, North Dakota (1)
- Washington Township, Ohio (43)
- Washington Township, Oklahoma (3)
- Washington Township, Pennsylvania (22)
- Washington Township, South Dakota (8)