Fahmi al-Abboushi (1895-1975; Arabic: فهمي العبّوشي) was co-founder of the Palestinian political party Hizb al-Istiqlal (Independence Party) along with his close associate Awni Abd al-Hadi.
Abboushi was Mayor of Jenin from 1935 until he was dismissed from the post by the British in 1937, after which he lived in exile in Beirut, Lebanon.
Abboushi was the chairman of the Arab National Bank, Jenin branch, in the 1940s. He also served on numerous national committees during and after the British Mandate of Palestine. He was known for his oratory skills.