| Ilya Ratnichkin | |
| Fullname: | Ilya Aleksandrovich Ratnichkin |
| Birth Date: | 6 June 1973 |
| Birth Place: | Sverdlovsk, Russian SFSR |
| Position: | Defender |
| Youthclubs1: | FC Metallurg Verkhnyaya Pyshma |
| Years1: | 1990 |
| Years2: | 1993–1996 |
| Years3: | 1997 |
| Years4: | 1997–1998 |
| Years5: | 1999 |
| Years6: | 2001 |
| Years7: | 2002–2003 |
| Clubs5: | FC Chkalovets-Olimpik Novosibirsk (amateur) |
| Clubs7: | FC Ural Yekaterinburg |
| Caps1: | 1 |
| Caps2: | 98 |
| Caps3: | 6 |
| Caps4: | 47 |
| Caps6: | 16 |
| Caps7: | 33 |
| Goals1: | 0 |
| Goals2: | 0 |
| Goals3: | 0 |
| Goals4: | 3 |
| Goals6: | 0 |
| Goals7: | 1 |
| Manageryears1: | 2006 |
| Manageryears2: | 2007 |
| Managerclubs1: | FC Ural Sverdlovsk Oblast (VP of security) |
| Managerclubs2: | FC Ural Sverdlovsk Oblast (caretaker president) |
Ilya Aleksandrovich Ratnichkin (ru|Илья Александрович Ратничкин; born 6 June 1973) is a former Russian professional footballer.
He made his professional debut in the Soviet Second League in 1990 for FC Uralmash Sverdlovsk. He played 5 games in the UEFA Intertoto Cup 1996 for FC Uralmash Yekaterinburg.