Grant Billmeier
| NJIT Highlanders | |
|---|---|
| Position | Head coach | 
| League | America East Conference | 
| Personal information | |
| Born | October 6, 1984 Pennington, New Jersey, U.S.  | 
| Nationality | American | 
| Listed height | 6 ft 10 in (2.08 m) | 
| Career information | |
| High school | St. Patrick  (Hillside, New Jersey)  | 
| College | Seton Hall (2003–2007) | 
| NBA draft | 2007: undrafted | 
| Playing career | 2007–2009 | 
| Position | Center | 
| Coaching career | 2010–present | 
| Career history | |
| As a player: | |
| 2007–2008 | s.Oliver Würzburg | 
| 2008–2009 | AD Vagos | 
| As a coach: | |
| 2010–2014 | Seton Hall (DBO) | 
| 2014–2015 | Fairleigh Dickinson (assistant) | 
| 2015–2022 | Seton Hall (assistant) | 
| 2022–2023 | Maryland (assistant) | 
| 2023–present | NJIT | 
Grant Billmeier (born October 6, 1984) is an American former professional basketball player and current head coach of the NJIT Highlanders men's basketball team.