Vammala is a former town and municipality of southwestern Finland, chartered in 1907.
On 1 January 2009 Vammala was consolidated with the municipalities of Mouhijärvi and Äetsä, to form a new city named Sastamala.
Vammala was located in the southwest Pirkanmaa region, and was part of the former (1997 to 2010) province of Western Finland.
The municipality had a population of 16,635 (31 December 2008) and covered a land area of 803.87 square kilometres (310.38 sq mi). The population density was 20.29 inhabitants per square kilometre (52.6 /sq mi).
The municipality was unilingually Finnish.