| Gustáv Mráz | |
| Birth Date: | 1934 9, df=yes |
| Birth Place: | Bratislava, Czechoslovakia |
| Height: | 1.81m |
| Position: | Defender |
| Years1: | 1955–1966 |
| Clubs1: | Inter Bratislava |
| Caps1: | 106 |
| Goals1: | 2 |
| Years2: | 1964–1965 |
| Clubs2: | → Sparta Prague (loan) |
| Nationalyears1: | 1957–1959 |
| Nationalteam1: | Czechoslovakia |
| Nationalcaps1: | 11 |
| Nationalgoals1: | 0 |
Gustáv Mráz (born 11 September 1934) is a former Slovak footballer who played as a defender. He played for the Czechoslovakia national team in 11 matches.
Mráz spent the majority of his career with Czechoslovak First League club Inter Bratislava, scoring twice in 106 league appearances. During the 1964–65 season, Mráz played for Sparta Prague.[1]