YYY may refer to: Yeah Yeah Yeahs, a band from New York Mont-Joli Airport, serving Mont-Joli, Quebec, Canada (IATA code YYY) The Yada Yada, an expression popularized on the TV series Seinfeld YYY, the production code for the 1974 Doctor Who serial The Monster of Peladon YYY, a 2020 Thai television series with LGBT characters