James W. Christy | |
|---|---|
 James Christy (left) and Robert Harrington in 1978. | |
| Born | September 15, 1938 |
| Alma mater | University of Arizona |
| Scientific career | |
| Fields | Astronomy, astrometry |
| Institutions | United States Naval Observatory Hughes Missile Systems |
James Walter "Jim" Christy (born September 15, 1938) is an American astronomer known for discovering Charon, the largest moon of the dwarf planet Pluto.