Engine No. 9

Engine No. 9 can refer to:
 * Engine Engine Number 9, a 1965 country music song by Roger Miller
 * "(Get Me Back On Time) Engine Number 9", a 1970 song by Wilson Pickett on the album Wilson Pickett In Philadelphia
 * "Engine No. 9", a 1986 song by the R&B group Midnight Star on their album Headlines
 * "Engine No. 9", a 1995 song by the metal band Deftones on the album Adrenaline (album)