| Chen Junyi | |
| Position: | Pitcher |
| Birth Date: | 26 August 1981 |
| Birth Place: | Guangzhou, China |
| Bats: | Left |
| Throws: | Left |
Chen Junyi (; Cantonese: Chan4 Jeun3 Ngai6; born 26 August 1981 in Tianjin, China) is a Chinese baseball player who was a member of Team China at the 2008 Summer Olympics. He is nicknamed "The Little Unit" due to his slender body and mullet that resembles Randy Johnson.