| Grant Deachman | |
| Office: | Member of Parliament for Vancouver Quadra |
| Term Start: | May 16, 1963 |
| Term End: | September 1, 1972 |
| Predecessor: | Howard Charles Green |
| Successor: | Bill Clarke |
| Birth Date: | 4 May 1913 |
| Birth Place: | Calgary, Alberta |
| Residence: | Vancouver, British Columbia |
| Party: | Liberal Party of Canada |
Grant Deachman (May 4, 1913 – June 24, 1983) was a Canadian politician, who represented the electoral district of Vancouver Quadra in the House of Commons of Canada from 1963 to 1972.
He was a member of the Liberal Party and served as Chief Government Whip from 1971 to 1972.
There is a Grant Deachman fonds at Library and Archives Canada. Archival reference number is R11992.