José Alejandro Semprún (born March 12, 1973, in La Guayra) 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.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 1992 | World Junior Championships | Seoul, South Korea | 13th | 10,000 metres | 30:02.85 | |
| 2000 | Sydney, Australia | 79th | Marathon | 3:00:02 | ||