Kisumu birni ne, da ke a kan tafkin Victoria, a lardin Kisumu, a ƙasar Kenya. Shi ne babban birnin lardin Kisumu. Bisa ga ƙidayar jama'a a shekarar 2018, akwai jimilar mutane 1,268,000. An gina Kisumu a shekara ta 1901 bayan haihuwar Annabi Issa.