| Niels Marnegrave | |
| Position: | Assistant coach |
| Career Position: | Point guard |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lb: | 201 |
| League: | BNXT League |
| Team: | Limburg United |
| Birth Date: | 9 December 1987 |
| Birth Place: | Liège, Belgium |
| Nationality: | Belgian |
| Career Start: | 2004 |
| Years1: | 2004–2005 |
| Team1: | Liège |
| Years2: | 2005–2009 |
| Team2: | Mons-Hainaut |
| Years3: | 2009–2010 |
| Team3: | Verviers-Pepinster |
| Years4: | 2010–2013 |
| Team4: | Leuven Bears |
| Years5: | 2013–2016 |
| Team5: | Oostende |
| Years6: | 2016–2019 |
| Team6: | Spirou Charleroi |
| Years7: | 2019–2021 |
| Team7: | Limburg United |
| Cyears1: | 2021–present |
| Cteam1: | Limburg United (assistant) |
| Highlights: | As player:
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Niels Marnegrave (born 9 December 1987) is a Belgian retired basketball player and current coach. He currently is an assistant coach for Limburg United of the BNXT League. In his playing career, he played as point guard.
Marnegrave debuted on the professional level in the 2004–05 season for Liège Basket.[1]
After his debut season he signed with Dexia Mons-Hainaut. In 2006 he won the Belgian Cup with the team.
In the 2009–10 season Marnegrave played for RBC Verviers-Pepinster.
He signed a 3-year contract with the Leuven Bears in 2010.[2] In the 2012–13 season, Marnegrave averaged 11.7 points per game and led the league in steals with 2.4 per game.
Marnegrave signed with defending Belgian champion Telenet BC Oostende for the 2013–14 season. He still played there in 2014-2015 and 2015-2016 season.[3]
On 9 June 2016 Marnegrave signed with Spirou Charleroi.[4]
In September 2021, Marnegrave joined his last club Limburg United as assistant coach.[5]