Hamma Hammami (Tunisian Arabic: حمّه الهمامي; born 1952) is a Tunisian communist, leader of the Popular Front, spokesman of the Tunisian Workers' Party, and former editor of the party news organ El-Badil.
Hammami was imprisoned and tortured for his political activism against the Zine El Abidine Ben Ali rule  and is noted for strong opposition to the government of Zine El Abidine Ben Ali.
On 12 January 2011, he was arrested at his home for speaking to journalists about the Tunisian revolution. He was subsequently released on January 15 by the interim government of Fouad Mebazaa.
Hamma Hammami was born on 8 January 1952 in El Aroussa, Tunisia. He is married to the human rights lawyer Radhia Nasraoui. Together they have three daughters, Nadia, Oussaïma and Sarah.