Koitjärve is a village in Kuusalu Parish, Harju County in northern Estonia.

The western part of the village's territory is occupied by Soodla training area and a small portion on the southeastern part is occupied by Keskpolügoon, both training areas of the Estonian Defence Forces.

59°23′58″N 25°36′58″E/59.39944°N 25.61611°E/ 59.39944; 25.61611