| Marouan Laghnej | |
| Position: | Point guard / shooting guard |
| League: | Championnat National A |
| Height Ft: | 6 |
| Height In: | 3 |
| Number: | 10 |
| Nationality: | Tunisian |
| Team: | JS Kairouan |
| Birth Date: | 22 April 1986 |
| Birth Place: | Kairouan, Tunisia |
| Career Start: | 2005 |
| Years1: | 2003–2013 |
| Team1: | JS Kairouan |
| Years2: | 2014–2016 |
| Team2: | US Monastir |
| Years3: | 2016–2017 |
| Team3: | Club Africain |
| Years4: | 2018–present |
| Team4: | JS Kairouan |
Marouan Laghnej (born April 22, 1986) is a Tunisian basketball player, currently playing for JS Kairouan of the Tunisian Championnat National A.[1] He is also a former member of the Tunisian national basketball team.
Slimane is a member of the Tunisia national basketball team. He competed at the 2007 FIBA Africa Championship and as a junior in the 2004 FIBA Africa Under-20 Championship.[2] Left off the roster for the FIBA Africa Championship 2009, he replaced Marouen Lahmar for the 2010 World Championship. He was part of Tunisia's team at the 2012 Summer Olympics.[3]