José Alejandro Semprún (born March 12, 1973 in La Guaia) is a male long-distance runner from Venezuela. He competed for his native South American country at the 2000 Summer Olympics, finishing in 79th place in the men's marathon. Semprún set his personal best (2:12.58) in the classic distance on February 6, 2000 in Caracas.
| Year | Competition | Venue | Position | Notes |
|---|---|---|---|---|
| Representing Venezuela | ||||
| 2000 | Olympic Games | Sydney, Australia | 79th | 3:00:02 |