A klaxon is a type of an electromechanical horn or alerting device, originally a brand name.

Klaxon(s) or The Klaxon(s) may also refer to:

Music The Klaxon, a 1993 album by English rock band And Also the Trees Klaxon (EP), an EP by Immi "The Klaxon", a 1930 song composed by Henry Fillmore Klaxons, an English indie rock band The Klaxons (Belgian band), a Belgian accordion-based band "Klaxon", a song by K-pop girl group (G)I-dle from their 7th EP I Sway

Publications The Klaxon (magazine), a defunct Irish literary magazine from 1923 to 1924 Klaxon (magazine), a Brazilian literary magazine The Klaxon (website), an Australian independent news website The Klaxon.com, an online news organization focused on emergencies and disasters around the world

Other uses Klaxon Oil Corporation, a fictional company in the 1979 thriller novel Nothing Lasts Forever