"Boy Blue" is a song written by Jeff Lynne and performed by the Electric Light Orchestra (ELO) which first appeared as track number 3 from their 1974 album Eldorado.

The album version of the song starts with a Baroque-style trumpet and string quartet fanfare – reminiscent of Jeremiah Clarke's "Prince of Denmark's March" (ca.

At the end of the song the string instruments quickly fade, immediately leading into the LP's fourth track "Laredo Tornado".

[6] ELO writer Barry Delve believes that edits demonstrated "how much the album version's ambitious arrangement lifts 'Boy Blue' from being a fairly standard pop song to something much more remarkable.

[9] Cash Box said "a big symphonic sound surrounds and cushions a driving rock beat on this excellently produced Jeff Lynne track.