| Cliff Mardulier | |
| Birth Date: | 1982 9, df=yes |
| Birth Place: | Edegem, Belgium |
| Height: | 1.83 m |
| Position: | Goalkeeper |
| Youthclubs1: | Berchem Sport |
| Years1: | 1999 - 2005 |
| Clubs1: | Lierse |
| Caps1: | 56 |
| Goals1: | 0 |
| Years2: | 2006 - 2007 |
| Clubs2: | Schoten |
| Years3: | 2007 - 2010 |
| Clubs3: | Roda JC |
| Caps3: | 0 |
| Goals3: | 0 |
| Years4: | 2010 - 2011 |
| Clubs4: | MVV |
| Caps4: | 2 |
| Goals4: | 0 |
| Nationalyears1: | 1999–2001 |
| Nationalteam1: | Belgium U18 |
| Nationalcaps1: | 13 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2000 |
| Nationalteam2: | Belgium U19 |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2002–2003 |
| Nationalteam3: | Belgium U21 |
| Nationalcaps3: | 10 |
| Nationalgoals3: | 0 |
Cliff Mardulier (born 22 September 1982) is a Belgian former professional footballer who played as a goalkeeper.