Dirnt

Dirnt is a surname. The most widely known bearer is Mike Dirnt, the American musician who serves as the bassist for the punk rock band Green Day. Born Michael Ryan Pritchard, he uses Dirnt as his professional surname. Dirnt is a founding member of Green Day, formed in the California Bay Area in the late 1980s, alongside Billie Joe Armstrong, with Tré Cool joining the band later as drummer.

The band's breakthrough came with the 1994 album Dookie, which established them as leading figures in the 1990s punk rock revival. Dirnt has contributed bass lines and backing vocals on Green Day's albums and performances, helping define the band's sound across releases such as Insomniac (1995), Nimrod (1997), American Idiot (2004), and 21st Century Breakdown (2009), among others. He has remained with Green Day as a core member through subsequent projects, tours, and compilations.

The surname Dirnt is relatively uncommon, and there are no widely recognized institutions or places named after it. Outside of Mike Dirnt, there are few publicly known individuals bearing the surname, and it is not associated with a particular profession or field.