What is Will.i.am's real name? This image appears in the gallery:Pop Stars' Real Names: 53 Music Icons' REAL Identities Revealed 27. What is Will.i.am's real name? Will.i.am's real name is William Adams. He was born on 15th March 1975. Picture: PA 53 images See the full gallery: Pop Stars' Real Names: 53 Music Icons' REAL Identities Revealed