| James Machir | |
| State1: | Virginia |
| District1: | 3rd |
| Term Start1: | March 4, 1797 |
| Term End1: | March 3, 1799 |
| Predecessor1: | George Jackson |
| Successor1: | George Jackson |
| Office2: | Member of the Virginia House of Delegates |
| Term2: | 1818–1821 |
| Term3: | 1811–1813 |
| Term4: | 1793–1796 |
| Birth Date: | 1764 |
| Birth Place: | Scotland |
| Party: | Federalist |
James Machir (1764June 25, 1827) was a United States representative from Virginia. Machir was a member of the Virginia House of Delegates from 1793 to 1796. He was elected as a Federalist to the Fifth Congress, having won 45.44% of the vote and defeating fellow Federalist Thomas Wilson and Democratic-Republicans John Mitchell and George Jackson and served from March 4, 1797, to March 3, 1799. He again served as a member of the Virginia House of Delegates from 1811 to 1813 and from 1818 to 1821. Machir died on June 25, 1827.