Last name ฮัฟ (Hap 
, ฮัฟ 
) , all around the world, is quite a rare cognomen. The cognomen ฮัฟ is habitual in Malaysia, where it is quite a rare surname, Papua New Guinea, and Czechia, where it is a rare surname. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Indonesia, Malaysia, and Myanmar. Likewise, ฮัฟ is the forename as well as the last name.