| Oleh Mochulyak | |
| Fullname: | Oleh Leonidovych Mochulyak |
| Birth Date: | 1974 9, df=yes |
| Birth Place: | Odesa, Ukrainian SSR |
| Height: | 1.78 m |
| Position: | Forward |
| Years1: | 1991–1992 |
| Years2: | 1992 |
| Clubs2: | →FC Chornomorets-2 Odesa (loan) |
| Years3: | 1993–1994 |
| Years4: | 1994–1996 |
| Clubs4: | FC Chornomorets Odesa |
| Years5: | 1996 |
| Clubs5: | →FC Uralmash Yekaterinburg (loan) |
| Years6: | 1996 |
| Clubs6: | →FC Gazovik-Gazprom Izhevsk (loan) |
| Years7: | 1997 |
| Clubs7: | →FC Uralan Elista (loan) |
| Years8: | 1998–1999 |
| Years9: | 1999–2000 |
| Clubs9: | FC Chornomorets Odesa |
| Years10: | 1999 |
| Clubs10: | →FC Chornomorets-2 Odesa (loan) |
| Years11: | 2001 |
| Years12: | 2002 |
| Years13: | 2003 |
| Years14: | 2004 |
| Years15: | 2005 |
| Years16: | 2006 |
| Clubs16: | FC Taraz |
| Years17: | 2007 |
| Clubs17: | FC Atyrau |
| Years18: | 2008 |
| Years19: | 2009–2010 |
| Clubs19: | FC Dnister Ovidiopol |
| Caps1: | 3 |
| Goals1: | 0 |
| Caps2: | 18 |
| Goals2: | 4 |
| Caps3: | 48 |
| Goals3: | 21 |
| Caps4: | 16 |
| Goals4: | 2 |
| Caps5: | 16 |
| Goals5: | 4 |
| Caps6: | 10 |
| Goals6: | 1 |
| Caps7: | 15 |
| Goals7: | 1 |
| Caps8: | 26 |
| Goals8: | 10 |
| Caps9: | 64 |
| Goals9: | 7 |
| Caps10: | 4 |
| Goals10: | 1 |
| Caps11: | 20 |
| Goals11: | 2 |
| Caps13: | 15 |
| Goals13: | 9 |
| Caps19: | 24 |
| Goals19: | 5 |
| Nationalyears1: | 1991 |
| Nationalteam1: | USSR U-16 |
| Nationalyears2: | 1993–1994 |
| Nationalteam2: | Ukraine U-21 |
| Nationalcaps2: | 5 |
| Nationalgoals2: | 1 |
Oleh Leonidovych Mochulyak (uk|Олег Леонідович Мочуляк|translit= Oleh Leonidovych Mochuliak; ru|Олег Леонидович Мочуляк; born 27 September 1974) is a Ukrainian former professional footballer. In 2008, he played for FJ Buxoro.
He took part in the 1991 UEFA European Under-16 Championship along with the Soviet team.
He has a son, Renat, who is also a footballer.[1]