Family name संसार (สงสาร 
, Сансар 
, संसार) , globally, is a rare surname. The last name संसार is characteristic of Thailand, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and Kyrgyzstan. In absolute terms, it is commonest in Thailand, Indonesia, and Saudi Arabia. Much less frequently, संसार is the forename as well as the last name.