J. A. Chapman | |
|---|---|
 | |
| 17th, 22nd and 25th Mayor of Portland, Oregon | |
| In office 1867–1868 | |
| Preceded by | Thomas J. Holmes |
| Succeeded by | Hamilton Boyd |
| In office 1875–1877 | |
| Preceded by | Henry Failing |
| Succeeded by | William Spencer Newbury |
| In office 1882–1885 | |
| Preceded by | David P. Thompson |
| Succeeded by | John Gates |
| Personal details | |
| Born | September 4, 1821 Friendship, New York, US |
| Died | December 12, 1885 (aged 64) Portland, Oregon, US |
| Political party | Democratic |
| Profession | Physician, politician |
James A. Chapman (September 4, 1821 – December 12, 1885) was a physician in the U.S. state of Oregon who served three non-consecutive terms as mayor of Portland, Oregon.