Crud or CRUD may refer to:

• Waste, dirt, faeces, or something of poor quality

• Create, read, update and delete (CRUD), basic functions of a computer database

• Crud (game), a game played on a billiard table

• CRUD (radio station), a former radio station of Rochdale College in Toronto, Canada

• Crud (band), an American rock band

• "Crud", a song by British rapper Ghetts from his 2021 album Conflict of Interest

• Crud (radioactive waste), corrosion particles that become radioactive.

See also