Kita-ku (北区, Kita-ku) is one of ten wards of the city of Saitama, in Saitama Prefecture, Japan, and is located in the northwestern part of the city.

Its total area was 16.86 square kilometres (6.51 sq mi).

When Saitama was proclaimed a designated city in 2003, the northwestern portion of former Ōmiya city consisting of the three former villages and a portion of the original Ōmiya village became Kita Ward.

A global automotive company, Calsonic Kansei, is headquartered in the ward.

Municipal junior high schools:[3] Municipal elementary schools:[4] JR East – Takasaki Line JR East – Utsunomiya Line JR East – Kawagoe Line The "Ōmiya Bonsai Village" (officially "Bonsai-chō" (盆栽町, lit.