Ethiopian playwright and poet, who wrote in Amharic (Amharic language) and English.

Tsegaye earned a degree (1959) from the Blackstone School of Law in Chicago. His interests soon turned to drama, however, and he studied stagecraft at the Royal Court Theatre in London and at the Comédie-Française in Paris. After returning to Ethiopia, he served as director of the Haile Selassie I Theatre (now the National Theatre) from 1961 to 1971. He later founded Addis Ababa University's theatre department.

Tsegaye wrote more than 30 plays, most of them in Amharic, and translated a number of plays of William Shakespeare and Molière into that language as well. His Amharic plays deal primarily with contemporary Ethiopia, especially with the plight of youth in urban settings and the need to respect traditional morality, as in Crown of Thorns (1959). Oda Oak Oracle (1965) is Tsegaye's best-known verse play written in English. Like his other English plays, it is based on Ethiopian history and focuses on religious conflict. Collision of Altars (1977) is an experimental play that includes mime, incantation, dance, and the use of masks.

Tsegaye was considered Ethiopia's leading poet. His English poetry appeared in Ethiopian journals and was included in several anthologies of African poetry, including New Sum of Poetry from the Negro World (1966). A prolific poet, he wrote about a wide variety of subjects, including Ethiopian history. Tsegaye was also a noted human rights activist, and he traveled widely to promote Ethiopian culture.