Koila may refer to several places:
Koila, village in Karnataka, India Koila, Harju County, village in Jõelähtme Parish, Harju County, Estonia Koila, Väike-Maarja Parish, village in Väike-Maarja Parish, Lääne-Viru County, Estonia Koila, Viru-Nigula Parish, village in Viru-Nigula Parish, Lääne-Viru County, Estonia Koila (Arcadia), an ancient town of Arcadia, Greece Koila, Kozani, village in the municipality of Kozani, Greece