| Lennart Bak | |
| Birth Date: | 1972 9, df=yes |
| Birth Place: | Frederikshavn |
| Position: | midfielder |
| Years1: | 1992–1994 |
| Clubs1: | Frederikshavn |
| Years2: | 1994–1996 |
| Clubs2: | AGF |
| Years3: | 1997–1998 |
| Clubs3: | Foggia |
| Years4: | 1998–1999 |
| Clubs4: | Salernitana |
| Years5: | 1999–2000 |
| Clubs5: | AGF |
| Years6: | 2001–2002 |
| Clubs6: | AaB |
Lennart Bak (born 13 September 1972) is a retired Danish football midfielder.[1]