Mohammed Tlili ben Abdallah (Arabic: ???? ??????? ?? ????????), also known as Moham(m)ed Gammoudi, (born February 11, 1938) is a Tunisian athlete who competed as a long distance runner in international track and field competitions.
He represented Tunisia in the Tokyo, Mexico City, and Munich Olympiads and recorded four medals, including a gold medal in the 5000 metres event in Mexico City.
Gammoudi was also competitive at 10,000 metres.
Born in Sidi Aïch, in Tunisia, Mohammed Gammoudi was one of the pioneers of the African long distance running revolution that changed the face of the sport in the final decades of the 20th century.