| Toshihito Kumagai | |
| Native Name Lang: | ja |
| Office: | Governor of Chiba Prefecture |
| Term Start: | 5 April 2021 |
| Predecessor: | Kensaku Morita |
| Office1: | Mayor of Chiba City |
| Term Start1: | 14 June 2009 |
| Term End1: | 3 March 2021 |
| Predecessor1: | Keiichi Tsuruoka Kenji Fujishiro (Acting) |
| Successor1: | Shun'ichi Kamiya |
| Office2: | Member of Chiba City Assembly |
| Term Start2: | 1 May 2005 |
| Term End2: | May 2009 |
| Birth Date: | 1978 2, df=y |
| Birth Place: | Tenri, Nara, Japan |
| Party: | Independent (2009–present) |
| Otherparty: | Democratic (2007–2009) |
| Alma Mater: | Waseda University (BEc) |
is a Japanese politician. He currently serves as governor of Chiba Prefecture since 2021.[1]
Kumagai was born is Tenri, Nara in February 1978. Due to his father's work, they consistently move from prefecture to prefecture. He was affected by the Great Hanshin Earthquake in 1995 when he was a high school student. He said on an interview that this is his reason why he got interested in politics. He graduated on Waseda University's School of Political Science and Economics in 2001. He later joined the NTT Communications, where he was in charge of business integration and acquisition programs in the planning department.[2] [3]