STFU

STFU may refer to:
 * "Shut the fuck up", an expletive

Music

 * "STFU", a 2022 song by Neck Deep
 * "STFU!", a 2019 song by Rina Sawayama
 * "STFU", a 2014 song by Kim Petras
 * "STFU", a 2019 song by Julie Bergan
 * "STFU", a song by Pink Guy from the 2017 album Pink Season
 * "STFU", a song by Rico Nasty from the 2020 album Nightmare Vacation

Other uses

 * Southern Tenant Farmers Union, a civil farmer's union (1934–1970)
 * Southern Tenant Folk Union, a musical band