| John Linscom Boss Jr. | |
| State: | Rhode Island |
| Term Start: | March 4, 1815 |
| Term End: | March 3, 1819 |
| Birth Date: | 7 September 1780 |
| Resting Place: | Common Burial Ground Newport, Rhode Island |
| Mawards: | is not set --> |
| Awards: | is not set --> |
John Linscom Boss Jr. (September 7, 1780 – August 1, 1819) was a U.S. Representative from Rhode Island.
Born in Charleston, South Carolina, Boss completed preparatory studies. He studied law, and was admitted to the bar and commenced practice in Newport, Rhode Island. He served as member of the State house of representatives from 1806 to 1815.
Boss was elected as a Federalist to the Fourteenth and Fifteenth Congresses (March 4, 1815 – March 3, 1819).
He died in Newport, Rhode Island, August 1, 1819, and was interred at the Common Burying Ground and Island Cemetery.