| James Leland Sims | |
| Birth Date: | 28 March 1905 |
| Birth Place: | Mowbray, Manitoba[1] |
| Death Date: | [2] |
| Death Place: | Consort Hospital, Consort, Alberta |
| Residence: | Veteran, Alberta |
| Office: | Member of the Legislative Assembly of Alberta |
| Constituency: | Acadia-Coronation |
| Term Start: | June 29, 1955 |
| Term End: | June 18, 1959 |
| Predecessor: | Clarence Gerhart |
| Successor: | Marion Kelts |
| Party: | Liberal |
| Occupation: | politician |
| Spouse: | Margaret Grace Myfanwy Sims(Griffith) December 3, 1913 - September 6, 2009 |
James Leland Sims (1905-1977) was a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1955 to 1959 sitting with the Liberal caucus in opposition.
Sims ran for a seat to the Alberta Legislature in the 1955 Alberta general election as a Liberal party candidate in the electoral district of Acadia-Coronation. The race was hotly contested with Sims defeating Social Credit incumbent Clarence Gerhart on the second ballot. Sims finished a close second on the first count but was able to surpass Gerhart on second choice votes from Cooperative Commonwealth candidate L.E. Reiman.[3]
Sims ran for a second term in the 1959 Alberta general election. He was defeated finishing a distant second place in the field of three candidates losing to Social Credit candidate Marion Kelts.[4]
Sims attempted to regain his seat in 1963 Alberta general election. He ran in the new electoral district of Sedgewick-Coronation. Sims was defeated again finishing in second place losing to incumbent Jack Hillman in a landslide.[5]