| Bernard Derosier | |
| Office: | Member of the National Assembly for Nord's 2nd constituency |
| Term Start: | 1988 |
| Term End: | 2012 |
| Predecessor: | Self and others (proportional representation by Department) |
| Successor: | Audrey Linkenheld |
| Office2: | Member of the National Assembly for Nord |
| Term Start2: | 1986 |
| Term End2: | 1988 |
| Term Start3: | 1978 |
| Term End3: | 1986 |
| Successor3: | Self and others (proportional representation by Department) |
| Predecessor3: | Arthur Cornette |
| Office4: | President of the General council of Nord |
| Term Start4: | 1998 |
| Term End4: | 2011 |
| Predecessor4: | Jacques Donnay |
| Successor4: | Patrick Kanner |
| Birth Date: | 10 November 1939 |
| Birth Place: | Chevilly, France |
| Nationality: | French |
| Party: | Socialist Party |
| Profession: | Teacher |
Bernard Derosier (born 10 November 1939 in Chevilly, Loiret) is a French politician. He was a long term member of the National Assembly of France, representing the Nord department from 1978 to 2012,[1] as a member of the Socialist Party.
He represented Nord's 4th constituencyfrom 1978 to 1986, then the whole department during the one term of proportional representation(1986-1988), then Nord's 2nd constituency from 1988 to 2012.