David J. O'Reilly | |
|---|---|
 | |
| Born | 1947 |
| Nationality | Irish |
| Education | Blackrock College |
| Alma mater | University College Dublin |
| Occupation(s) | CEO at Chevron Corporation (2000–09) |
| Predecessor | Kenneth T. Derr |
| Successor | John S. Watson |
David J. O'Reilly (born January 1947 in Dublin, Ireland), is former chairman and CEO of Chevron Corporation.