Sinclair Township may refer to one of the following places:
;In Canada:
*Sinclair Township,
Muskoka District Municipality, Ontario (historical)
;In the United States:
*
Sinclair Township, Jewell County, Kansas
*
Sinclair Township, Clearwater County, Minnesota
*Sinclair Township,
Stutsman County, North Dakota
;See also:
*
St. Clair Township (disambiguation) St. Clair Township may refer to:
;Places in Canada:
* St. Clair Township, Ontario
;Places in the United States:
* St. Clair Township, St. Clair County, Illinois
* St. Clair Township, Benton County, Iowa
* St. Clair Township, Monona County, Io ...
*
Sinclair (disambiguation)
{{geodis
Township name disambiguation pages