Montxu Miranda (born 27 December 1976 in Santurce) is a Spanish pole vaulter. His personal best was 5.81 metres, achieved in September 2000 in Barcelona.
| Year | Competition | Venue | Position | Event | Notes |
|---|---|---|---|---|---|
| Representing Spain | |||||
| 1997 | European U23 Championships | Turku, Finland | 2nd | Pole vault | |
| 1998 | European Indoor Championships | Valencia, Spain | 4th | Pole vault | |
| Ibero American Championships | Lisbon, Portugal | 1st | Pole vault | 5.60m CR | |
| 2000 | Olympic Games | Sydney, Australia | 9th | Pole vault | |
| 2001 | World Indoor Championships | Lisbon, Portugal | 6th | Pole vault | |