Sergio Gallardo (born March 22, 1979) is a Spanish middle distance runner. He specializes in the 1500 metres.
| Year | Competition | Venue | Position | Notes |
|---|---|---|---|---|
| Representing Spain | ||||
| 2001 | Universiade | Beijing, China | 5th | 1500 m |
| European U23 Championships | Amsterdam, Netherlands | 3rd | 1500 m | |
| 2004 | World Indoor Championships | Budapest, Hungary | 5th | 3000 m |
| 2006 | World Indoor Championships | Moscow, Russia | 5th | 1500 m |
| European Championships | Gothenburg, Sweden | 5th | 1500 m | |
| 2007 | European Indoor Championships | Birmingham, England | 2nd | 1500 m |