Gustavo Aguirre

Gustavo Hernando Aguirre (born 8 April 1977 in Buenos Aires ) is a retired Argentine athlete who specialised in the 400 metres. He competed at the 2000 Summer Olympics failing to qualify for the second round.

His 400 metres personal best of 46.18, set in 1999, is the standing national record. His 800 metres personal best is 1:47.23, set in 2007.