Surname Sulayev (Sulayev 
, Сулаев 
) , all around the world, is a rare family name. The last name Sulayev is habitual in Central Asia, particularly Tajikistan, where it is quite a rare surname, Kyrgyzstan, and Kazakhstan, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Russia, Kazakhstan, and Tajikistan.