Cognomen Сайман (Saiman 
, Sayman 
, Sajman 
) , in the entire world, is a common last name. The surname Сайман is habitual in Suriname, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Turkey. Measured by absolute frequency, the name is most common in Indonesia, India, and Turkey. Likewise, Сайман is the forename as well as the last name.