Surname Ambuja (Ambuja 
) , globally, is a rare last name. The cognomen Ambuja is habitual in Myanmar, where it is a very rare surname, India, and the United States, where it is an extremely rare surname. Much more frequently, Ambuja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ambuja | Malaysia, United States, India, Myanmar, New Zealand |
Das, Nayak, Mahato, Mishra, Sharma, Shukla, Cavhan, Behera, Kumari, Parida, Joshi, Pandey, Pillai, Gautam, Mohanty, Murugan, Pradhan, Kulkarni, Kulakarni, Pattanaik, Desapande, Prasad, Ghosh, Dacha, Rajan, Sahu, Ambu, Bale, Rout, Devi, Dash, Jain, Josi, Jena, Nair, Naik, Sahoo, Singh, Swain, Barik, Bauri, Kalia, Kumar, Patra, Patil, Panda, Srivastava, and Govindarajalu