Throughout the world, Sundy (Sundy 
, ซันดี้) is quite a rare epicene first name. The forename Sundy is habitual in Philippines, where it is quite a rare predominantly boy's, but very infrequently female name, Hong Kong, where it is a rare female name, and Nigeria, where it is a rare gender-neutral name. Measured by absolute frequency, the name is most common in Philippines, Nigeria, and Indonesia. Much less frequently, Sundy is the last name as well as the forename.