Last name Карут (Caruth 
, Карут 
) , in all the world, is quite a rare family name. The family name Карут is habitual in Trinidad and Tobago, where it is quite a rare surname, Jamaica, where it is a rare surname, and the United States. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Trinidad and Tobago. Very seldom, Карут is the forename as well as the last name.