Family name Эргалиев (Эргалиев 
) , worldwide, is a rare last name. The cognomen Эргалиев is habitual in Central Asia, particularly Tajikistan, where it is quite a rare surname, Uzbekistan, where it is a rare surname, and Kyrgyzstan. In absolute terms, it most frequently occurs in Central Asia, particularly Tajikistan, Uzbekistan, and Kazakhstan.