| Nikolai Stain | |
| Fullname: | Nikolai Aleksandrovich Stain |
| Birth Date: | 12 January 1964 |
| Birth Place: | Sverdlovsk, Russian SFSR |
| Position: | Defender/Midfielder |
| Youthclubs1: | FC Uralmash Yekaterinburg |
| Years1: | 1981–1992 |
| Caps1: | 293 |
| Goals1: | 5 |
| Years2: | 1993 |
| Clubs2: | FC Zvezda Perm |
| Caps2: | 21 |
| Goals2: | 0 |
| Years3: | 1994 |
| Caps3: | 30 |
| Goals3: | 0 |
| Years4: | 1995 |
| Clubs4: | FC RTI Yekaterinburg |
| Years5: | 1996–1997 |
| Clubs5: | FC Mikhalyum Mikhailovsk |
| Years6: | 1998–1999 |
| Clubs6: | FC RTI Yekaterinburg |
| Years7: | 2000–2001 |
| Clubs7: | FC Yuzhny Yekaterinburg |
| Years8: | 2002 |
| Clubs8: | FC Atlant Yekaterinburg |
| Manageryears1: | 2000–2005 |
| Managerclubs1: | Lokomotiv-UPI-DDT Chelyabinsk (assistant) |
| Manageryears2: | 2009 |
| Managerclubs2: | FC Academia Dimitrovgrad (assistant) |
Nikolai Aleksandrovich Stain (ru|Николай Александрович Стаин; born 12 January 1964) is a Russian professional football coach and a former player.