| DeCosta Young | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Successor: | Sheldon Lee |
| Term Start: | 1967 |
| Term End: | 1978 |
| Constituency: | Charlotte (1967–74) |
| Birth Date: | 11 April 1919 |
| Birth Place: | Deer Island, New Brunswick |
| Death Place: | St. Stephen, New Brunswick |
| Spouse: | Pauline Rachael Johnson |
| Party: | Progressive Conservative Party of New Brunswick |
| Occupation: | building contractor and sardine fishery operator |
| Children: | 2 |
W. DeCosta Young (April 11, 1919 - December 16, 2005) was a Canadian politician. He had served in the Legislative Assembly of New Brunswick from 1967 to 1978 as member of the Progressive Conservative party.[1] [2]