Laitila (Swedish: Letala) is a municipality of Finland in the region of Lounais-Suomi. It is located in the Southwest Finland region. The municipality has a population of 8,656 (31 January 2019) and covers an area of 545.32 square kilometres (210.55 sq mi) of which 13.65 km2 (5.27 sq mi) is water. The population density is 16.28 inhabitants per square kilometre (42.2/sq mi). Laitila is renowned for its poultry farms and egg festival.
The municipality is unilingually Finnish.