| Cornelius Udebuluzor | |
| Fullname: | Cornelius Chi-Dubem Udebuluzor |
| Birth Date: | 27 August 1974 |
| Birth Place: | Port Harcourt, Nigeria |
| Position: | Striker |
| Years1: | 1996 |
| Clubs1: | Jasper United |
| Years2: | 1996–1997 |
| Clubs2: | Górnik Zabrze |
| Caps2: | 17 |
| Goals2: | 4 |
| Years3: | 1997–2000 |
| Clubs3: | Ionikos |
| Caps3: | 20 |
| Goals3: | 4 |
| Years4: | 2000 |
| Clubs4: | Proodeftiki |
| Caps4: | 2 |
| Goals4: | 0 |
| Years5: | 2000–2001 |
| Clubs5: | Sun Hei |
| Years6: | 2001–2002 |
| Clubs6: | Rangers |
| Caps6: | 6 |
| Goals6: | 12 |
| Years7: | 2002–2003 |
| Clubs7: | Sun Hei |
| Caps7: | 9 |
| Goals7: | 5 |
| Years8: | 2003–2004 |
| Clubs8: | Rangers |
| Caps8: | 17 |
| Goals8: | 11 |
| Years9: | 2004–2005 |
| Clubs9: | Sun Hei |
| Caps9: | 12 |
| Goals9: | 3 |
| Years10: | 2005–2007 |
| Clubs10: | Rangers |
| Caps10: | 7 |
| Goals10: | 0 |
Cornelius Chi-Dubem Udebuluzor (; born 27 August 1974) is a former Nigerian professional footballer who played as a striker.
Udebuluzor started his career at Górnik Zabrze. He represented Hong Kong League XI in various friendly matches, including the Lunar New Year Cup. In 2001, he helped Hong Kong XI beating Paraguay at the Lunar New Year Cup. The following year, he again represented Hong Kong XI in the Lunar New Year Cup and then a pre-World Cup 2002 tournament held in Hong Kong against Scotland. In 2002–2003, he also won Hong Kong FA Cup with Sun Hei, as well as the League Cup final. In the league they finished runners-up, one point behind the champions. Was the second best league scorer with 16 goals in 2002–2003.
Udebuluzor's son Michael (born 1 April 2004) currently plays for VfR Mannheim, and has represented Hong Kong at international level.[1]