Family name สงไขย (สงไขย 
) , worldwide, is a very rare surname. The family name สงไขย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สงไขย is the forename as well as the last name.
วิมล, นิทัศ, ขวัญใจ, ขวัญตา, and อุดมลักษณ์