Nightfly may refer to:
- The Nightfly, the first solo album by Steely Dan co-founder Donald Fagen
- Nightfly (band), a short-lived British rock band
Nightfly was a short-lived British rock band formed in late 1984. Most of its members had enjoyed success with earlier bands.
Originally known as Heyday, the band was managed by Bob Young and Colin Johnson. Nightfly played some clubs in February 1985, including a performance at the Marquee Club, and recorded demos produced by John Entwistle.