Gebregziabher Gebremariam (Amharic: ገብረግዚኣብሄር ገብረማርያም; born September 10, 1984, in Tigray) is a retired Ethiopian long-distance runner.

He established himself at the IAAF World Cross Country Championships, winning the junior title in 2002 and two silver medals in the senior races in 2004.

The following year he made his first impact on the international scene by finishing third at the 1st IAAF World Athletics Final and second at the All-Africa Games.

He was selected for the Ethiopian Summer Olympic 5000 metres team along with Kenenisa Bekele and Dejene Berhanu, where he finished fourth, 0.25 seconds behind bronze medalist Eliud Kipchoge of Kenya.

[3] He was victorious at the Peachtree Road Race in June, just pipping Peter Kirui at the finish, and then won the Beach to Beacon 10K in August.

[6] Former world junior silver medallist Matthew Kisorio bested him at the Philadelphia Half Marathon, however, as the Ethiopian's time of 1:00:25 was ten seconds short of the victor.

He was runner-up to Mo Farah, the winner of the Olympic race, at the Rock ‘n’ Roll Mardi Gras Half Marathon in February 2013.