| James Church Alvord | |
| State: | Massachusetts |
| District: | 6th |
| Term Start: | March 4, 1839 |
| Term End: | September 27, 1839 |
| Preceded: | George Grennell Jr. |
| Succeeded: | Osmyn Baker |
| Office2: | Member of the Massachusetts Senate |
| Term2: | 1838 |
| Birth Date: | April 14, 1808 |
| Birth Place: | Greenwich, Massachusetts |
| Death Place: | Greenfield, Massachusetts |
| Restingplace: | Federal Street Cemetery |
| Alma Mater: | Dartmouth College |
James Church Alvord (April 14, 1808 – September 27, 1839) was a U.S. Representative from Massachusetts.
Born in Greenwich, Massachusetts, Alvord completed preparatory studies and was graduated from Dartmouth College, Hanover, New Hampshire, in 1827. He studied law and was admitted to the bar in 1830, commencing the practice of his profession in Greenfield, Massachusetts. He served as member of the State house of representatives in 1837.He served in the State senate in 1838.
Alvord was elected as a Whig to the Twenty-sixth Congress and served from March 4, 1839, until his death in Greenfield, Massachusetts, on September 27, 1839, before the Congress assembled. He was interred in Federal Street Cemetery.