Family name Krangsak (Krangsak 
) , globally, is an extremely rare cognomen. Much more prevalently, Krangsak is the forename as well as the last name.
Wuttagul, Kitisak, Nobnorb, Saleekul, Khaolueng, Taithongchai, Naksaeweewong, Srisawang, and Ngammuang