| Honorific-Prefix: | The Hon. |
| Archibald Hynd (Archie) Johnstone | |
| Office: | Senator for Prince Edward Island |
| Appointed: | Jean Chrétien |
| Term Start: | March 6, 1998 |
| Term End: | June 12, 1999 |
| Birth Date: | June 12, 1924 |
| Birth Place: | Burlington, Prince Edward Island |
| Death Place: | Kensington, Prince Edward Island |
| Party: | Liberal |
| Serviceyears: | 1939-1945 |
| Rank: | Flight lieutenant |
| Battles: | World War II |
Archibald Hynd (Archie) Johnstone (June 12, 1924 – November 8, 2014) was a Canadian businessman and retired Senator.[1]
Born in Burlington, Prince Edward Island, he was a crew member with the Royal Canadian Air Force heavy bombing squadron during World War II.
He worked with his father to develop Woodleigh Replicas in Burlington and was president of the Prince Edward Island Federation of Agriculture and director of the Island Tourism Association.
In March 1998, he was summoned to the Senate on the recommendation of Jean Chrétien and represented the senatorial division of Prince Edward Island. He served, as a Liberal, barely a year until his retirement on his 75th in 1999.