| Josef Hamerl | |
| Fullname: | Josef Hamerl |
| Birth Date: | 1931 1, df=yes |
| Birth Place: | Austria |
| Death Place: | Austria |
| Position: | Striker |
| Youthyears1: | 1945 |
| Youthyears2: | 1945–1952 |
| Youthclubs1: | ASK Erlaa |
| Youthclubs2: | SC Siebenhirten |
| Years1: | 1952–1956 |
| Years2: | 1955 |
| Years3: | 1956–1961 |
| Years4: | 1961–1963 |
| Years5: | 1963–1965 |
| Years6: | 1965–1966 |
| Years7: | 1966–1967 |
| Clubs5: | Wiener Sportclub |
| Clubs7: | 1. Wiener Neustädter SC |
| Caps1: | 71 |
| Caps2: | 3 |
| Caps3: | 106 |
| Caps4: | 47 |
| Caps5: | 34 |
| Caps6: | 25 |
| Caps7: | 15 |
| Goals1: | 37 |
| Goals2: | 0 |
| Goals3: | 76 |
| Goals4: | 21 |
| Goals5: | 9 |
| Goals6: | 11 |
| Goals7: | 3 |
| Totalcaps: | 301 |
| Totalgoals: | 157 |
| Nationalyears1: | 1958–1962 |
| Nationalteam1: | Austria |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 2 |
Josef "Pepi" Hamerl (22 January 1931 – 15 July 2017) was a former Austrian football player.
Hamerl played for several clubs, including FC Wien (1952–1955, 1955–1956), Austria Wien (1955), Wiener Sportclub (1956–1961, 1963–1965) and SK Admira Wien (1961–1963). He scored 158 goals in total in the Austrian Football Bundesliga.
He made his debut for Austria in March 1958 against Italy and was a participant at the 1958 FIFA World Cup and the 1960 European Nations' Cup. He earned 9 caps, scoring 2 goals. His last international was a January 1962 match against Egypt.