Alastaro

**Alastaron kunta**
	Former municipality in Finland
Province	Western Finland
Region	Finland Proper
Sub-region	Loimaa
City manager	Mirja-Riitta Mäntysaari
Official languages	Finnish
Area; - total; - land	ranked 299th; 259.94 km²; 258.96 km²
Population; - total (2003); - change; - density	ranked 294th; 3,017; - 1.1 %; 11.7/km²
Urbanisation	52.4 %
Unemployment rate	11.6 %

Alastaro (Finnish pronunciation: [ˈɑlɑstɑro]) is a former municipality of Finland. It was incorporated to town of Loimaa on 1 January 2009.

It is located in the province of Southern Finland and is part of the Finland Proper region. The municipality had a population of 3,024 (2004-12-31) and covered an area of 259.94 km² of which 0.98 km² is water. The population density was 11.68 inhabitants per km².

The municipality was unilingually Finnish.