William Michael Griffin Jr. (born January 28, 1968), better known by his stage name Rakim, is an American rapper. One half of golden age hip hop duo Eric B. & Rakim, he is widely regarded as one of the most influential and most skilled MCs of all time.

Eric B. & Rakim's classic album Paid in Full was named the greatest hip hop album of all time by MTV in 2006, while Rakim himself was ranked #4 on MTV's list of the Greatest MCs of All Time. Steve Huey of Allmusic stated that "Rakim is near-universally acknowledged as one of the greatest MCs -- perhaps the greatest -- of all time within the hip-hop community." The editors of About.com ranked him #1 on their list of the 'Top 50 MCs of Our Time (1987–2007)'. Rakim began his career as the emcee of the rap duo Eric B. & Rakim, who in 2011 were nominated for induction into the Rock and Roll Hall of Fame. In 2012, The Source ranked him #1 on their list of the 'Top 50 Lyricists of All Time'.