Beyene Petros (Amharic: በየነ ጴጥሮስ; 11 March 1950 – 17 September 2024) was an Ethiopian politician and educator who was the professor of Biology at Addis Ababa University and a former member of the Ethiopian House of People's Representatives, representing an electoral district in Badawacho of Hadiya Zone.
He was the chairman of one of the largest opposition political parties in Ethiopia, the Ethiopian Federal Democratic Forum Medrek.
In the 2003 parliament, he served as chairman for the combined Council of Alternative Forces for Peace and Democracy in Ethiopia, the Southern Ethiopia Peoples' Democratic Coalition, and the Hadiya National Democratic Organization.
On 3 August 2018, Petros was promoted to the new Government Privatisation Advisory Council to advise Prime Minister Abiy Ahmed concerning his new economic reforms.
Petros was married and had four children; two girls (Mishisalla BEYENE of WFP) and two boys.