| Idongesit William Ibok | |
| Position: | Center |
| Height Ft: | 6 |
| Height In: | 11 |
| Weight Lbs: | 260 |
| Nationality: | Nigerian |
| Birth Date: | 1985 2, df=yes |
| Highschool: | Montverde Academy (Montverde, Florida) |
| College: | Michigan State (2005–2009) |
| Draft Year: | 2009 |
| Career Start: | 2009 |
| Career End: | 2011 |
| Years1: | 2009–2010 |
| Team1: | KD Hopsi Polzela |
| Years2: | 2010 |
| Team2: | Solna Vikings |
| Years3: | 2010–2011 |
| Team3: | New Mexico Thunderbirds |
Idongesit William Ibok (born 17 February 1985) is a Nigerian former professional basketball player, formally a center with the Michigan State University Spartans in the United States. Ibok, a graduate of Montverde Academy in Florida, began attending Michigan State in 2005. He is a three-time all-academic Big Ten Conference. He is 6'11" and 260 lbs, with a 7'5" wingspan.