"Disco King" is the debut single by Australian rock group Spencer Tracy, released on Embryo Records in January 2003.

[1][2] "Disco King" earned a lot of airplay for Spencer Tracy, with the Triple M network adding "Disco King" to official rotation in Sydney, Melbourne and Brisbane, NOVA Sydney & Melbourne running the track in the high rotation Buzz bin for two consecutive weeks and NOVA 937 in Perth giving solid airplay over a six-week period.

"Cathy Hendrix in my office listens to triple j on the net all of the time and we just loved that song "Disco King".

- Mike Dixon – USA manager (Ron Sexsmith)[4]The song is described by reviewers as having "squelch-pop warmth and bouncy rhythms",[5] and being "almost contemporary Britpop in feel.

"[6] "Disco King" was nominated for 'Most Popular Local Original Single or EP' at the 2003 Western Australian Music Industry Awards.