Last name สระน้ำ (Sanam 
, สระน้ำ, Poolsumran 
) , in the entire world, is a common cognomen. The last name สระน้ำ is habitual in Western Asia, particularly Georgia, where it is quite a rare surname, Qatar, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in India, Saudi Arabia, and Bangladesh. More prevalently, สระน้ำ is the forename as well as the last name.