| Marco Hämmerli | |
| Birth Date: | 1985 5, df=yes |
| Birth Place: | Switzerland |
| Position: | Defender |
| Years1: | 2001–2006 |
| Years2: | 2003 |
| Years3: | 2006–2008 |
| Years4: | 2008–2013 |
| Years5: | 2008–2013 |
| Clubs2: | → FC Gossau (loan) |
| Clubs4: | FC St. Gallen |
| Clubs5: | → FC St. Gallen (II) |
| Caps1: | 37 |
| Goals1: | 3 |
| Caps3: | 34 |
| Goals3: | 1 |
| Caps4: | 80 |
| Goals4: | 4 |
| Caps5: | 22 |
| Goals5: | 4 |
| Pcupdate: | 23 July 2013 |
Marco Hämmerli (born 7 May 1985) is a Swiss football defender, who last played for FC St. Gallen.