Last name Udyan (Udyan 
) , in the world, is a very rare cognomen. The last name Udyan is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Udyan is the forename as well as the last name.
Sah, Pande, Dutta, Gupta, Tyagi, Verma, Maurya, Mishra, Sharma, Shukla, Bakshi, Katara, Khanna, Prasad, Dharua, Gautam, Mahajan, Chauhan, Kaushik, Goswami, Banerjee, Lahariya, Patel, Srivastava, Kumar, Arora, Bag, Raj, Das, Nag, Sahu, Shah, Seth, Arya, Bhue, Bhoi, Rana, Ghai, Jani, Jain, Tudu, Naik, Ojha, Matta, Majhi, Mehra, Singh, Bhatt, and Brahmbhatt