| Christopher Donelan | |
| Birth Date: | 25 December 1964 |
| Birth Place: | Athol, Massachusetts |
| Occupation: | Police Officer Probation Officer Politician |
| Residence: | Orange, Massachusetts |
| Party: | Democrat |
| Alma Mater: | Westfield State College American International College |
| Title1: | Sheriff of Franklin County, Massachusetts |
| Term Start1: | 2011 |
| Predecessor1: | Frederick Macdonald |
| State House2: | Massachusetts |
| District2: | 2nd Franklin |
| Term Start2: | 2003 |
| Term End2: | 2011 |
| Predecessor2: | John Merrigan |
| Successor2: | Denise Andrews |
Christopher J. Donelan (born December 25, 1964, in Athol, Massachusetts[1]) is an American law enforcement officer and politician who is the current Sheriff of Franklin County, Massachusetts. A Democrat, he served as a member of the Massachusetts House of Representatives from 2003 to 2011.