Globally, ภัทรฤทัย (ภัทรฤทัย 
, Pattararuethai , Patararuethai ) is a rare predominantly female, but very infrequently male first name. The first name ภัทรฤทัย is characteristic of South-eastern Asia, particularly Thailand, where it is a rare primarily female, but scarcely male name.
| VARIANT | COUNTRY |
|---|---|
| Pattararuethai, Phatthararuethai, ภัทรฤทัย, Patararuethai | Thailand |
Pattararutai, Phathararuethai, Phatraruethai, Phatruethai, Phatrutai, Phatruthai, Phattararuethai, and Phattararutai