| Erwin Hadewicz | |
| Birth Date: | 2 April 1951 |
| Birth Place: | Ellwangen, West Germany |
| Position: | Midfielder |
| Currentclub: | VfB Stuttgart (scout) |
| Youthyears1: | 1968–1969 |
| Youthclubs1: | SV Reindelbach |
| Youthyears2: | 1969–1970 |
| Youthclubs2: | TSV Ellwangen |
| Youthyears3: | 1970–1973 |
| Youthclubs3: | VfR Aalen |
| Years1: | 1973–1975 |
| Clubs1: | FC Bayern Munich |
| Caps1: | 19 |
| Goals1: | 0 |
| Years2: | 1975–1983 |
| Clubs2: | VfB Stuttgart |
| Caps2: | 233 |
| Goals2: | 18 |
| Years3: | 1983–1985 |
| Clubs3: | FC Baden |
| Years4: | 1985–1986 |
| Clubs4: | VfR Aalen |
| Nationalyears1: | 1978 |
| Nationalteam1: | West Germany B |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Manageryears1: | 1985–1987 |
| Managerclubs1: | VfR Aalen |
| Manageryears2: | 1989–1990 |
| Managerclubs2: | VfR Aalen |
Erwin Hadewicz (born 2 April 1951) is a retired German football player.[1] He spent nine seasons in the Bundesliga with FC Bayern Munich and VfB Stuttgart.[2] As of May 2011, he works as a scout for VfB Stuttgart.