| Jan Thomas Lauritzen | |
| Nationality: | Norwegian |
| Birth Date: | 6 February 1974 |
| Birth Place: | Sarpsborg |
| Clubs1: | Viking Stavanger |
| Clubs2: | Tusem Essen |
| Nationalyears1: | 1993–2008 |
| Nationalteam1: | Norway |
| Nationalcaps1: | 254 |
| Nationalgoals1: | 557 |
Jan Thomas Lauritzen (born February 6, 1974) is a former Norwegian handball player. He played 254 matches and scored 557 goals for the Norway men's national handball team between 1993 and 2008.[1] He participated at the 1997, 1999, 2001, 2005 and 2007 World Men's Handball Championship and has participated multiple time in the EHF Cup, the Challenge Cup, and the EHF Champions League.