Worldwide, Jansay (Jansay 
) is a rare predominantly boy's, but very infrequently girly forename. The first name Jansay is habitual in Southern Asia, particularly India, where it is a very rare male name. Very seldom, Jansay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jansay | Philippines, Brazil, India, United States, Thailand |