| Hiromasa Ochiai | |
| Birth Date: | 9 February 1994 |
| Birth Place: | Shimane Prefecture, Japan |
| Height: | 1.77 m |
| Position: | Midfielder |
| Currentclub: | Tochigi Liebe |
| Nationalyears1: | 2016–present |
| Nationalteam1: | Japan |
| Nationalcaps1: | 88 |
| Nationalgoals1: | 7 |
| Updated: | 25 December 2021 |
Hiromasa Ochiai (落合 大将, Ochiai Hiromasa, born 9 February 1994) is a Japanese field hockey player. He competed in the 2020 Summer Olympics.[1]
He was a part of the Japan squad which won their first Asian Games gold medal in hockey in 2018.[2]