| James Thorsteinson | |
| Honorific-Suffix: | MLA |
| Constituency Am: | Cut Knife-Turtleford |
| Assembly: | Saskatchewan Legislative |
| Term Start: | October 28, 2024 |
| Predecessor: | Ryan Domotor |
| Office1: | President of the Saskatchewan Party |
| Term Start1: | November 8, 2014 |
| Term End1: | March 18, 2023 |
| Predecessor1: | Gary Meschishnick |
| Successor1: | Derek Tallon (interim) |
James Thorsteinson is a Canadian politician who was elected to the Legislative Assembly of Saskatchewan in the 2024 general election, representing Cut Knife-Turtleford as a member of the Saskatchewan Party.[1]
Prior to elected politics, Thorsteinson served as the President of the Saskatchewan Party from November 8, 2014[2] until March 18, 2023.[3]