Last name ศรุ (Su 
, ศรุ) , worldwide, is a prevalent cognomen. The cognomen ศรุ is characteristic of Mongolia, where it is a prevalent surname, Myanmar, where it is a widespread surname, and Cayman Islands, where it is a common surname (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Myanmar, and Mongolia. Much less frequently, ศรุ is the forename as well as the last name.