Cognomen Mahasay (Mahasay 
) , in the world, is a rare surname. The family name Mahasay is habitual in Australia, where it is a very rare surname, India, and the United Kingdom, where it is an extremely rare surname. More prevalently, Mahasay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahasay | Australia, Canada, United States, United Kingdom, India |
| piali ray mahasay chief executive officer of Sampad Asian Arts and Heritage (b. 1956) |
|