| Foster Calder | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term: | 1935–1944 |
| Constituency: | Kings |
| Birth Date: | 11 February 1873 |
| Birth Place: | Fairhaven, New Brunswick |
| Death Place: | Fairhaven, New Brunswick |
| Spouse: | Ella Cossaboom |
| Party: | New Brunswick Liberal Association |
| Occupation: | teacher |
| Residence: | Deer Island, New Brunswick |
Foster Gilmore Calder (February 11, 1873 – January 12, 1960) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Liberal party from 1935 to 1944.[1]