Alfredo Arévalo Reyes (born February 20, 1976) is a Guatemalan marathon runner.

Arevalo made his official debut for the 2004 Summer Olympics in Athens, where he finished seventy-seventh in the men's marathon, outside his personal best of 2:34:02.

At the 2008 Summer Olympics in Beijing, Arevalo competed again for the second time in men's marathon, along with his compatriot José Amado García.

He finished the race in sixty-third place by twelve seconds behind Montenegro's Goran Stojiljković, with a time of 2:28:26.

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