| Magnús Stefánsson | |
| Order: | Minister of Social Affairs |
| Primeminister: | Geir Haarde |
| Term Start: | 15 June 2006 |
| Term End: | 24 May 2007 |
| Predecessor: | Jón Kristjánsson |
| Successor: | Jóhanna Sigurðardóttir (as Minister of Social Affairs and Social Security) |
| Birth Date: | 1 October 1960 |
| Birth Place: | Reykjavík, Iceland |
| Spouse: | Sigrún Drífa Óttarsdóttir |
| Children: | Two children (b. 1987, 1991) |
| Party: | Progressive Party |
Magnús Stefánsson (born 1 October 1960) is an Icelandic politician. He has been member of the Althing (Iceland's parliament) for the Progressive Party for the Western Iceland constituency (1995–99; 2001–03) and for the Northwest Iceland constituency since 2003. He has been vice-chairman of the Progressive Party parliamentary group since 2003, and was Minister of Social Affairs from 2006 to 2007.[1]