| Ástráður Gunnarsson | |
| Birth Date: | 30 March 1948 |
| Birth Place: | Iceland |
| Position: | Defender |
| Years1: | 1968–1976 |
| Caps1: | 74 |
| Goals1: | 0 |
| Nationalyears1: | 1973–1974 |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1989 |
| Managerclubs1: | Keflavík |
Ástráður Gunnarsson (born 30 March 1948) is an Icelandic former footballer who played as a defender. He won eight caps for the Iceland national football team between 1973 and 1974.