Gezahegne Abera (Amharic: ገዛኸኝ አበራ; born April 23, 1978) is an Ethiopian athlete and winner of the marathon race at the 2000 Summer Olympics.

Born in Etya, Arsi Province, Gezahegne's first international competition was the 1999 Los Angeles Marathon, where he finished fourth, behind three Kenyans.

At the Sydney Olympics, the marathon race came down to two Ethiopians, Gezahegne and Tesfaye Tola, and Kenyan Erick Wainaina.

At the 2003 World Championships, Gezahegne had to abandon the race due to injury, but he was selected in the Ethiopian 2004 Olympic team.

His wife Elfenesh Alemu was also selected to the 2004 Olympic team, finishing fourth in the women's marathon.