| Hiromichi Watanabe | |
| Native Name Lang: | ja |
| Office: | Minister of Reconstruction |
| Term Start: | 27 December 2022 |
| Term End: | 13 September 2023 |
| Primeminister: | Fumio Kishida |
| Predecessor: | Kenya Akiba |
| Successor: | Shinako Tsuchiya |
| Term Start1: | 2 October 2018 |
| Term End1: | 11 September 2019 |
| Primeminister1: | Shinzo Abe |
| Predecessor1: | Masayoshi Yoshino |
| Successor1: | Kazunori Tanaka |
| Office2: | Member of the House of Representatives |
| Term Start2: | 16 December 2012 |
| Constituency2: | Chiba 7th |
| Term Start3: | 20 October 1996 |
| Term End3: | 21 July 2009 |
| Constituency3: | Southern Kanto PR block Chiba 7th |
| Birth Date: | 3 August 1950 |
| Birth Place: | Matsudo, Chiba Prefecture, Japan |
| Alma Mater: | Waseda University |
is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Matsudo City, Chiba he attended Waseda University as an undergraduate and received a master's degree from Meiji University. He was elected to the assembly of Chiba Prefecture in 1995 (serving for one term) and then to the House of Representatives for the first time in 1996. He was appointed by Shinzo Abe as Minister of Reconstruction on 2 October 2018 and left the position on 11 September 2019. He was succeeded by Kazunori Tanaka.