"One in a Million" is third single from singer/songwriter Ne-Yo's fourth studio album Libra Scale. In the UK, the song was released as the second single from the album. The song was released on September 14, 2010 by Def Jam Recordings. "One in a Million" was written by Ne-Yo, Chuck Harmony and Kevin Erondu and produced by Harmony. It reached number 87 on the Billboard Hot 100.

Shaffer Chimere Smith, known professionally as Ne-Yo, is an American singer, songwriter, actor, dancer, and record producer. Regarded as a leading figure of 2000s R&B music, he is the recipient of numerous accolades, including three Grammy Awards. He gained recognition for his songwriting abilities following the success of his first major credit, Mario's 2004 single "Let Me Love You". Its release prompted a meeting between Ne-Yo and Def Jam's then-president Jay-Z, resulting in a contract in which he released four successful studio albums and numerous hit songs for the label.