Kisai 騎西
Former municipality
Location of Kisai in Saitama Prefecture
Kisai Location in Japan
Coordinates: 36°6′N 139°34′E / 36.100°N 139.567°E / 36.100; 139.567
Country	Japan
Region	Kantō
Prefecture	Saitama Prefecture
District	Kitasaitama
Merged	March 23, 2010 (now part of Kazo)
Area
• Total	28.60 km2 (11.04 sq mi)
Population  (2007)
• Total	19,884
• Density	695.24/km2 (1,800.7/sq mi)
Time zone	UTC+09:00 (JST)
Website	Kisai
Symbols
Flower	Wisteria
Tree	Ginkgo

Kisai (騎西町, Kisai-machi) was a town located in Kitasaitama District, Saitama Prefecture, Japan.

As of 2003, the town had an estimated population of 20,105 and a density of 702.97 persons per km². The total area was 28.60 km².

On March 23, 2010, Kisai, along with the towns of Kitakawabe and Ōtone (all from Kitasaitama District), was merged into the expanded city of Kazo.^[1] Kitasaitama District was dissolved as a result of this merger.