Mohamed Salah Arfaoui (; 11 January 1956 – 18 September 2026) was a Tunisian politician and civil engineer who was an independent.

A native of Bizerte, he graduated from the National Engineering School of Tunis and the . A longtime employee of the , he oversaw much of the planning for the 2001 Mediterranean Games. He also became CEO of the Agence de réhabilitation et de rénovation urbaine in 2008. He became Minister of Equipment, Housing and Spatial Planning under Prime Minister Habib Essid on 6 February 2015. He was retained by Youssef Chahed until 14 November 2018, when he became Chahed's chief advisor.

Arfaoui died on 18 September 2026, at the age of 70.

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