The Shire of Tammin is a local government area in the Wheatbelt region of Western Australia.

Originally the area was governed by the Meckering Road Board (now the neighbouring Shire of Cunderdin).

[2] Tammin is one of the least populous local government areas in Western Australia.

A number of proposals have been made to merge the shire with adjoining local government areas.

The towns and localities of the Shire of Tammin with population and size figures based on the most recent Australian census:[5][6] As of 2023, 18 places are heritage-listed in the Shire of Tammin,[12] of which one is on the State Register of Heritage Places.