| Guðmundur Steinsson | |
| Birth Date: | 18 July 1960 |
| Birth Place: | Iceland |
| Position: | Forward |
| Years1: | 1978–1981 |
| Clubs1: | Fram Reykjavík |
| Years2: | 1982–1983 |
| Clubs2: | Öster |
| Years3: | 1984–1986 |
| Clubs3: | Fram Reykjavík |
| Years4: | 1987 |
| Clubs4: | Kickers Offenbach |
| Years5: | 1987–1990 |
| Clubs5: | Fram Reykjavík |
| Caps5: | 62 |
| Goals5: | 36 |
| Years6: | 1991–93 |
| Clubs6: | Víkingur Reykjavik |
| Caps6: | 47 |
| Goals6: | 21 |
| Years7: | 1994 |
| Clubs7: | Fram Reykjavík |
| Caps7: | 12 |
| Goals7: | 0 |
| Years8: | 1995–1996 |
| Clubs8: | Stjarnan |
| Caps8: | 19 |
| Goals8: | 11 |
| Years9: | 1996 |
| Clubs9: | Fram Reykjavík |
| Caps9: | 8 |
| Goals9: | 1 |
| Nationalteam1: | Iceland U21 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1980–? |
| Nationalteam2: | Iceland |
| Nationalcaps2: | 19 |
| Nationalgoals2: | 8 |
Guðmundur Steinsson (born 18 July 1960) is an Icelandic former professional footballer who played as a forward. He made 19 appearances scoring eight goals for the Iceland national team.[1] At club level he played for Knattspyrnufélagið Fram competing in the 1981–82 European Cup Winners' Cup and was the topscorer of the 1984 Úrvalsdeild with ten goals. With Víkingur he became topscorer of the 1991 Úrvalsdeild with 13 goals. He played for Víkingur also in the 1992–93 UEFA Champions League and scored in a match against CSKA Moscow.