| Yuma Nagai | |
| Birth Date: | 18 March 1996 |
| Birth Place: | Gifu Prefecture, Japan |
| Height: | 1.62 m |
| Position: | Midfielder |
| Currentclub: | Gifu Asahi Club |
| Nationalyears1: | 2019– |
| Nationalteam1: | Japan |
| Nationalcaps1: | 11 |
| Nationalgoals1: | 0 |
Yuma Nagai (永井 祐真, Nagai Yūma, born 18 March 1996) is a Japanese field hockey player. He competed in the 2020 Summer Olympics.[1]