The circle of Kati is a territorial collectivity of Mali in the region of Koulikoro. It has 37 communes: Baguinéda-camp, Bancoumana, Bossofala, Bougoula, Daban, Diago, Dialakoraba, Dialakorodji, Diédougou, Dio-Station, Dogodouman, Dombila, Doubabougou, Faraba, Kalabankoro, Kalifabougou, Kambila, Kati, Kourouba, Mande, Moribabougou Mountoungoula, N'Gabacoro, N'Gouraba, N'Tjiba, Niagadina, Nioumamakana, Ouélessébougou, Safo, Sanankoro Djitoumou, Sanankoroba, Sangarébougou, Siby, Sobra, Tiakadougou-Dialakoro, Tiélé and Yélékébougou.

It surrounds the capital Bamako.