| Joseph Allen Harris | |
| Office: | Member of the Legislative Assembly of British Columbia |
| Predecessor: | James William Jones |
| Successor: | Cecil Robert Bull |
| Term Start: | 1933 |
| Term End: | 1937 |
| Constituency: | South Okanagan |
| Birth Date: | 8 July 1900 |
| Birth Place: | Long Preston, West Riding of Yorkshire |
| Death Place: | Richmond, British Columbia |
| Spouse: | Yvonne Cornelius |
| Party: | British Columbia Liberal Party |
| Occupation: | Research Chemist |
| Alma Mater: | University of British Columbia University of Illinois at Urbana–Champaign Paris-Sorbonne University |
Joseph Allen Harris (July 8, 1900 - February 6, 1972) was a Canadian politician. He served in the Legislative Assembly of British Columbia from 1933 to 1937 from the electoral district of South Okanagan, a member of the Liberal party. He did not seek a second term in the Legislature in the 1937 provincial election. A research chemist, he was a discoverer of Promethium (element 61).[1] [2]