Worldwide, สุทธิใจ (Suttichai 
, สุทธิใจ ) is a rare largely male, but seldom female given name. The first name สุทธิใจ is habitual in South-eastern Asia, particularly Thailand, where it is a rare mostly male, but infrequently feminine name. Much less frequently, สุทธิใจ is the last name as well as the forename.