if you mean the boxer, he's still alive as of Jan 2010.
Muhammad Ali Ja'abari died in 1980.
Muhammad Ali Jalali died in 2006.
Taha Muhammad Ali died in 2011.
Muhammad Ali - writer - died in 1951.
Muhammad Ali Haitham died in 1993.
Muhammad Mansur Ali died in 1975.
Muhammad Ali Madali died in 1898.
The boxer Muhammad Ali is still alive .
Muhammad Kurd Ali died in 1953.
Muhammad Mushtaq Ali Khan died in 1889.
Muhammad Ali al-Amri died in 2011.
Muhammad Ali Khan of Rampur died in 1794.