Family name Грум (Groom 
, Грум 
) , worldwide, is a common cognomen. The family name Грум is characteristic of Monaco, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in the United States, the United Kingdom, and Australia. Very seldom, Грум is the forename as well as the last name.