Family name Penchom (Penchom 
) , across the world, is a very rare surname. The last name Penchom is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, Penchom is the forename as well as the last name.
Ho, Kesee, Janwan, Sabpaiboon, Saetang, Seatang, Sooksit, Thawapee, Maketong, Chedchim, Chucherd, Sudjaithum, Cherdchim, Nimitphatthana, Wongsawang, and Chuenwattana