| Donald C. Harper | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1952 |
| Term End: | 1965 |
| Constituency: | Westmorland |
| Birth Date: | 27 November 1904 |
| Birth Place: | Middle Sackville, New Brunswick |
| Death Place: | Sackville, New Brunswick |
| Spouse: | Helen Hanson |
| Party: | New Brunswick Liberal Association |
| Occupation: | farmer |
Donald Chipman Harper (November 27, 1904 – May 4, 1965) was a Canadian politician. He served in the Legislative Assembly of New Brunswick from 1952 to 1965 as member of the Liberal party.[1]