Kesao Takamizawa (高見沢 今朝雄, Takamizawa Kesao, 1952) is a Japanese astronomer and entomologist. He discovered the periodic comet 98P/Takamizawa. He has discovered many asteroids, including asteroid 8720 Takamizawa which is named after him.
Seven Discovery Awards, the Astronomical Society of Japan (ASJ)Three Distinguished Service Awards, ASJ (1987, 1989, 1997)Takamizawa, Kesao (1997). 天文少年物語: 新天体発見のドラマ [Young Astronomer - Discovering new asteroids] (in Japanese). 信毎書籍出版センター. Takamizawa, Kesao (2005). 日本の真社会性ハチ 全種・全亜種生態図鑑 [Ecology of Japanese Social Wasps - Species, Sub species] (in Japanese). Shinano Mainichi Shimbun. ISBN 978-4784070046. Kesao Takamizawa, ed. (2010). コイ・フナの絵本 (そだててあそぼう) [Carp and Crucian Carp (picture book)] (in Japanese). Rural Culture Association Japan. ISBN 978-4540101304. Kimihiro Kinota; Kesao Takamizawa (2013). 日本産マルハナバチ図鑑 [Handbook of Bombus in Japan] (in Japanese). Hokkaido University Publication. ISBN 9784832913967. 