Surname Bilwa (Bilwa 
) , around the world, is a very rare cognomen. The last name Bilwa is characteristic of Nigeria, where it is an extremely rare surname, India, and Philippines. Predominantly, Bilwa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bilwa | Philippines, Nigeria, United States, India, Bangladesh |
De, Santra, Sardar, Sarkar, Samant, Baidya, Biswas, Bhanap, Pandit, Naskar, Halder, Haldar, Hajara, Malwade, Santara, Debnath, Haladar, Adhikari, Banerjee, Karmakar, Kulkarni, Pramanik, Mistri, Mondal, Mandal, Ghosh, Sau, Sil, Sen, Bag, Pal, Ray, Roy, Deo, Das, Saha, Chatterjee, Sahu, Kole, Paul, Devi, Nath, Wagh, Manna, Malik, Majhi, Patra, Gayen, Adak, and Chakraborty