| Eugen Hach | |
| Height: | 1.75 m |
| Birth Date: | 1960 9, df=yes |
| Birth Place: | Kaiserslautern, West Germany |
| Position: | Defender |
| Years1: | 1979–1982 |
| Clubs1: | 1. FC Kaiserslautern II |
| Years2: | 1982–1983 |
| Clubs2: | SV Südwest Ludwigshafen |
| Years3: | 1983–1984 |
| Clubs3: | FK Pirmasens |
| Years4: | 1984–1987 |
| Clubs4: | Alemannia Aachen |
| Years5: | 1987–1992 |
| Clubs5: | 1. FC Saarbrücken |
| Manageryears1: | 1992–1993 |
| Managerclubs1: | 1. FC Saarbrücken II |
| Manageryears2: | 1995–1996 |
| Managerclubs2: | SC Halberg Brebach |
| Manageryears3: | 1996–1999 |
| Managerclubs3: | Waldhof Mannheim (assistant) |
| Manageryears4: | 1999–2001 |
| Managerclubs4: | Alemannia Aachen |
| Manageryears5: | 2001–2003 |
| Managerclubs5: | Greuther Fürth |
| Manageryears6: | 2003–2004 |
| Managerclubs6: | 1. FC Saarbrücken |
| Manageryears7: | 2004 |
| Managerclubs7: | Waldhof Mannheim |
| Manageryears8: | 2004–2005 |
| Managerclubs8: | Rot-Weiß Oberhausen |
| Manageryears9: | 2005–2006 |
| Managerclubs9: | Eintracht Trier |
Eugen Hach (born 19 September 1960) is a German football manager and former player who played as a defender.