| John Carruthers | |
| Birth Date: | 1863 10, df=yes |
| Birth Place: | Hamilton, Canada West |
| Riding: | Algoma East |
| Predecessor: | George Nicholson |
| Successor: | George Nicholson |
| Term Start: | December 1921 |
| Term End: | October 1925 |
| Profession: | physician |
| Party: | Liberal |
John Carruthers (25 October 1863 - 25 December 1949) was a Liberal party member of the House of Commons of Canada.
He was born in Hamilton, Canada West and became a physician and mayor of Little Current, Ontario.
He was elected to Parliament at the Algoma East riding in the 1921 general election, defeating the Conservative incumbent George Nicholson. After serving his only term, the 14th Canadian Parliament, Carruthers was defeated by Nicholson in the 1925 federal election.