| Lex van Haeften | |
| Birth Date: | 26 June 1987 |
| Birth Place: | Gouda, Netherlands |
| Position: | Goalkeeper |
| Youthyears1: | 2007–2009 |
| Youthclubs1: | Excelsior |
| Years1: | 2009–2011 |
| Clubs1: | Excelsior |
| Caps1: | 3 |
| Goals1: | 0 |
| Club-Update: | 11:35, 3 April 2011 (UTC) |
Lex van Haeften (born 26 June 1987) is a Dutch professional footballer who plays as a goalkeeper.