Surname Сиган (Sigan 
, Sygan 
, Сиган 
) , all around the world, is quite a rare cognomen. The surname Сиган is habitual in Malaysia, where it is a rare surname, Austria, and Turkey. Measured by absolute frequency, the name is most common in India, Malaysia, and Turkey. Much less frequently, Сиган is the forename as well as the last name.