Alejandro Suárez Velázquez (born 30 November 1980 in Santiago de Querétaro, Querétaro) is a Mexican former long-distance runner who specializes in the 5000 metres.
His personal best time is 13:18.13 minutes, achieved in June 2003 in Victoria.
He clocked a sub four-minute mile (3:59.81) in Burnaby, BC in 2005.
He was a two-time winner of the North American 5K Championships, taking the 2003 and 2004 titles – he was the only man to win multiple times at the competition.
He won the silver medal at the 2006 NACAC Cross Country Championships.