Stefan Simonsson
| Country (sports) | Sweden |
|---|---|
| Residence | Säffle, Sweden |
| Born | 5 January 1960 Hyltebruk, Sweden |
| Height | 1.75 m (5 ft 9 in) |
| Plays | Right-handed |
| Prize money | $278 086 |
| Singles | |
| Career record | 100–124 |
| Career titles | 0 |
| Highest ranking | No. 48 (23 May 1983) |
| Grand Slam singles results | |
| Australian Open | 4R (1984) |
| French Open | 1R (1980, 1983, 1984, 1985) |
| Wimbledon | 3R (1982) |
| US Open | 2R (1982, 1984) |
| Doubles | |
| Career record | 81–108 |
| Career titles | 2 |
| Highest ranking | 88 (2 Jan 1984) |
| Grand Slam doubles results | |
| Australian Open | 1R (1984) |
| French Open | 3R (1983) |
| Wimbledon | 2R (1983, 1984) |
| US Open | 3R (1983) |
Per Stefan Mikael Simonsson (born 5 January 1960, in Hyltebruk) is a former professional tennis player from Sweden. He enjoyed most of his tennis success while playing singles. During his career, he won 2 doubles titles. He achieved a career-high singles ranking of World No. 49 in 1983 and a career-high doubles ranking of World No. 88 in 1984. He is a brother of fellow tennis player Hans Simonsson. After his career, he coached two top 10 players on the ATP ranking, Magnus Gustafsson and Magnus Larsson.