Last name Khadan (Khadan 
, Хадан 
) , all over the world, is a rare cognomen. The cognomen Khadan is habitual in Trinidad and Tobago, where it is quite a rare surname, Ukraine, where it is a very rare surname, and India. Measured by absolute frequency, it most frequently occurs in India, Trinidad and Tobago, and Russia. Likewise, Khadan is the forename as well as the last name.