"Ah! Leah!" is a song by Mark Avsec and American rock musician Donnie Iris from the latter's 1980 album Back on the Streets. The song has been described as Iris's signature song Eight musicians appeared in early live performances of the song, including lead singer Iris, a drummer, three guitar players, a keyboard player and at least two backing vocalists, one female and one male. The title of the song has been referred to in the form of puns on a few of Iris's later albums — the 2009 live album Ah! Live! and the 2010 Christmas album Ah! Leluiah!.