A partial list of celebrity converts to Islam.

Below is a partial list of celebrity converts to Islam. 

Malcolm X - American, from Christianity to Nation of Islam to Sunni Islam, African-American civil rights leader.
Marmaduke Pickthall - famous translator of the Quran.
Betty Shabazz - wife of Malcolm X; former Methodist.
Mario Scialoja - Italian ambassador and President of the World Muslim League.
Muhammad Ali (formerly Cassius Clay), from Baptistto The Nation of Islam to Sunni Islam, famous boxer.
Jermaine Jackson (Muhammad Abdul Aziz) - former member of The Jackson 5.
H. Rap Brown - civil rights activisit.
John Nelson - first recorded Englishman to become a Muslim.
Ahmad Rash?d - Emmy award-winning sportscaster (mostly with NBC Sports) and former American football wide receiver.
André Carson - former Baptist, second Muslim to serve the United States Congress.
Anthony Green or Abdul Raheem Green, Converted from Catholicism to Islam, and is now an Islamic lecturer.
Bilal Philips - Islamic scholar and author
Dave Chappelle - comedian and television star
Dawud Wharnsby Ali (David Wharnsby) - Canadian singer/poet.
Elsa Kazi - German writer of one-act plays, short stories, novels and history, and one of the greatest poets of her time.
Hamza Yusuf - American convert from Greek Orthodox; head of the Zaytuna Institute.
Isabelle Eberhardt - from Lutheran Christianity, 19th century explorer & writer
James Yee - previously Lutheran and former U.S. Army Muslim chaplain.
Kareem Abdul-Jabbar (Lew Alcindor) - retired basketball player & the NBA's all-time leading scorer
Keith Ellison - American, Representative from Minnesota's 5th congressional district, first Muslim to be elected to the United States Congress, converted From Catholicism
Kumba Ialá - a Guinea-Bissau politician who converted in 2008.
Loon - American hip hop and rap artist (Amir Junaid Muhadith)
Mohammed Zakariya - an American master of Arabic calligraphy, best known for his work on the popular Eid U.S. postage stamp.
Preacher Moss - Former Baptist, American comedian and comedy writer.
Ruqaiyyah Waris Maqsood - British author, converted from Protestantism.
Salman the Persian A convert from Christianity who was previously Zoroastrian. In search for truth, he traveled to Syria to follow Christianity. Upon the death of his teachers, he was directed to head to Arabia, where he was told the final prophet will rise. He later converted to Islam and became one of Muhammad's first companions.
Sheikh Sharifuddin Khalifa, Born to a catholic family, a young Sheikh who at the Age of 5, converted 1000 people to Islam and met the leader of Libya
Siraj Wahaj - Former Baptist. African-American Imam, noted for his efforts to eliminate Brooklyn's drug problems. Amir of Muslim Alliance in North America
Sheila Musaji - founder of The American Muslim magazine.
Suhaib Webb - American Islamic activist and speaker.
Tariq Abdul-Wahad (Olivier Saint-Jean) - originally from France, former basketball player for the Mavericks and Kings
Tekuder - Mongol leader of the Ilkhan empire who was formerly a Nestorian Christian.
Yahiya Emerick - American Muslim scholar, President of the Islamic Foundation of North America, converted from Protestantism.
Yusuf Estes - Former preacher and federal prison chaplain, converted from Protestantism.
Yvonne Ridley - British journalist, from Anglicanism. She converted after being kidnapped and released by the Taliban.
Zaid Shakir - American Muslim convert former Baptist, speaker, intellectual, author, and resident scholar of Zaytuna Institute in the United States.
Hussein Ye - An Islamic scholar of Chinese descent whose lectures are frequently aired on Peace TV.
Sumita Devi - Bengali actress and filmmaker.
David Myatt - from Paganism, former Neo-Nazi-activist
Samori Ture - founder of the Wassoulou Empire who resisted French rule in West Africa.
Sultan Satuq Bughra Khan - 9th century Uyghur ruler who was one of the first Turks to convert to Islam.
Zhang Chengzhi - contemporary Hui Chinese author; raised as an atheist.
Yusuf Islam (Cat Stevens) - British musician and singer (had a nominally Christian upbringing, but never was a believer)
Jeffrey Lang - American, Professor in the Department of Mathematics at the University of Kansas. (Raised Catholic, but atheist from age 18 to conversion)
Nursultan Nazarbayev - The incumbent President of Kazakhstan. Formerly held atheistic views during the Soviet era.
Amir Butler- author, engineer and Islamic activist.
Robert D. Crane - former Presidential advisor and ambassador.
Isabelle Eberhardt - explorer and writer.
Ibrahim Hooper (Douglas Hooper) - Islamic activist, spokesman for the Council on American-Islamic Relations (CAIR).
Malik ul Salih - established the first Muslim state of Samudera Pasai.
Ali Shaheed Muhammad - member of A Tribe Called Quest.
Abdul Alim Musa - Muslim activist and director of Masjid Al-Islam in Washington, D.C.
Michael Wolfe - American poet, author, and the President and Executive Producer of Unity Productions Foundation.
Michael X - civil rights activist in the United Kingdom
Yusuf Chambers - U.K. based Da'ee of international fame. Yusuf Chambers is a young preacher from London, has greatly involved himself in many organizations in U.K. and outside like Peace TV, Islam Channel, Al-Jumuah magazine, Unity TV etc