Surname 希马 (Sima 
, 希马 
) , in the entire world, is a common cognomen. The cognomen 希马 is characteristic of Romania, where it is quite a common surname, Gabon, and Guam (explore the name in all countries). In absolute terms, the name is most common in India, Romania, and Bangladesh. Much more frequently, 希马 is the forename as well as the last name.