Loimaan kunta (Finnish pronunciation: [ˈloi̯mɑːŋˈkuntɑ]; Swedish: Loimaa kommun; literally "Municipality of Loimaa") is a former municipality of Finland. It was merged to the town of Loimaa in the beginning of 2005.

It was located in the province of Western Finland and was part of the Southwest Finland region. The municipality had a population of 5,909 (2003) and covered an area of 434.08 km² of which 1.52 km² was water. The population density was 13.6 inhabitants per km².

The municipality was unilingually Finnish.

v t e Municipalities of Southwest Finland
Municipalities	Aura Kaarina Kimitoön Koski Tl Kustavi Laitila Lieto Loimaa Marttila Masku Mynämäki Naantali Nousiainen Oripää Paimio Pargas Pyhäranta Pöytyä Raisio Rusko Salo Sauvo Somero Taivassalo Turku Uusikaupunki Vehmaa
Former municipalities	Alastaro Angelniemi Askainen Dragsfjärd Halikko Hitis Houtskär Iniö Kakskerta Kalanti Karinainen Karjala Karuna Kimito Kiikala Kisko Korpo Kuusisto Kuusjoki Lemu Loimaan kunta Lokalahti Maaria Mellilä Merimasku Metsämaa Mietoinen Muurla Naantalin maalaiskunta Nagu Paattinen Pargas landskommun Perniö Pertteli Piikkiö Pyhämaa Rymättylä Särkisalo Somerniemi Suomusjärvi Tarvasjoki Uskela Uudenkaupungin maalaiskunta Vahto Västanfjärd Velkua Yläne
Southwest Finland Finland

60°52′N 22°59′E / 60.867°N 22.983°E / 60.867; 22.983