Kaisei

Kaisei may refer to:


 * Kaisei (ship), the STS Kaisei
 * Kaisei, Kanagawa, a town in Japan
 * Kaisei Academy, a Japanese boys' school

People with the name

 * Kaisei Ichirō (魁聖 一郎), retired Japanese Brazilian professional sumo wrestler
 * Kaisei Ishii (石井 快征), Japanese footballer