| Masaichi Kobayashi | |
| Nationality: | Japanese |
| Occupation: | Architect |
| Birth Date: | 14 February 1891 |
| Birth Place: | Ibaraki, Japan |
Masaichi Kobayashi (14 February 1891 - 25 December 1973) was a Japanese architect. His work was part of the architecture event in the art competition at the 1932 Summer Olympics.[1]