Surname Dayamay (Dayamay 
) , globally, is a very rare cognomen. The last name Dayamay is habitual in India, where it is an extremely rare surname, and Philippines. Much more frequently, Dayamay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dayamay | India, Bangladesh, Philippines |
De, Mahato, Mondal, Sarkar, Barman, Biswas, Ruidas, Dhibar, Ganrai, Haldar, Malakar, Goswami, Haladar, Banerjee, Badyakar, Bhandari, Karmakar, Mukherjee, Sutradhar, Kumbhakar, Paramanik, Chatterjee, Mandal, Hazra, Nandi, Lohar, Mal, Sen, Pal, Ray, Roy, Das, Dom, Maji, Saha, Gope, Chakraborty, Nath, Singh, Bagdi, Bauri, Kundu, Kumar, Patra, Dutta, Garai, Gorai, Ghosh, Majhi, and Bhattacharya