Mayfly (disambiguation)

A mayfly is a type of insect belonging to the order Ephemeroptera.

Mayfly or Mayflies may also refer to:
 * Mayfly (film), a 2008 short film
 * Mayflies (TV series), a 2022 two-part television drama
 * Mayfly (band), an American Christian metal band from Ohio
 * HMA No. 1 or Mayfly, a British Royal Navy airship
 * HMS Mayfly, a list of British Royal Navy ships
 * Mayfly, an album by Cy Curnin
 * "Mayfly", a song by Belle and Sebastian from If You're Feeling Sinister
 * Bland Mayfly, an early aircraft constructed in 1910 by Lilian E. Bland
 * Halton Mayfly, a British two-seat biplane designed by C.H. Latimer-Needham in the 1920s
 * Southend MPG Mayfly, a British two-seat human-powered aircraft, built in the 1960s
 * The Mayflies USA, an American power pop band