Number 1s

Number 1s, #1s or Number Ones may refer to:
 * A type of greatest hits album in which all or most of the songs were number-one chart hits. Among them are:
 * Number Ones (ABBA album), 2006
 * Number Ones (Bee Gees album), 2004
 * #1's (Destiny's Child album), 2005
 * Number Ones (Janet Jackson album), 2009
 * #1's (Mariah Carey album), 1998
 * Number Ones (Michael Jackson album), 2003
 * Number Ones (video), the related DVD by Michael Jackson
 * Reba #1's, an album by Reba McEntire
 * Number 1's (Prince Royce album)
 * #1s... and Then Some, an album by Brooks & Dunn
 * Number Ones (TV series), a Canadian music-video program
 * The Number Ones, an album by the Beatles