| James Lowry Jr. | |
| Birth Date: | 1820 |
| Birth Place: | Scotland |
| Death Date: | July 20, 1876 (aged 55/56) |
| Death Place: | St. Louis, Missouri |
| Resting Place: | Allegheny Cemetery, Pittsburgh |
| Office: | 25th Mayor of Pittsburgh |
| Term Start: | 1864 |
| Term End: | 1866 |
| Predecessor: | Benair C. Sawyer |
| Successor: | William C. McCarthy |
James Lowry Jr. (1820 – July 20, 1876) was an American politician and Mayor of Pittsburgh from 1864 to 1866.
Lowry was born in Scotland in 1820. He owned a foundry and was also a coal merchant. The city's industries were all booming during Mayor Lowry's term. He would eventually be elected Coroner of Allegheny County.
Lowry died in St. Louis. He is buried in Allegheny Cemetery.