Ali Abdussalam Tarhouni (Arabic: علي عبد السلام الترهوني, born 1951) is a Libyan economist and politician. Tarhouni served as the minister for oil and finance on the National Transitional Council, the provisional governing authority in Libya, from 23 March to 22 November 2011. He acted in the capacity of interim prime minister of Libya during the departure of outgoing incumbent Mahmoud Jibril from 23 October 2011 until Abdurrahim El-Keib was formally named to succeed Jibril on 31 October.