| Stephen D. Clark | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1948 |
| Term End: | 1952 |
| Constituency: | Saint John County |
| Birth Date: | 15 May 1916 |
| Birth Place: | Fairville, New Brunswick |
| Death Place: | Saint John, New Brunswick |
| Spouse: | June Denise Power |
| Party: | New Brunswick Liberal Association |
| Occupation: | physician |
Stephen Douglas Clark (May 15, 1916 – January 5, 1997) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Liberal party from 1948 to 1952.[1] [2]