All over the world, Gudan (Gudan 
) is quite a common epicene first name. The given name Gudan is characteristic of India, where it is a rare unisex name, Poland, where it is a very rare boy's name, and China, where it is an extremely rare male name. Much less frequently, Gudan is the last name as well as the forename.
Sah, Yadav, Mandal, Manjhi, Mishra, Sharma, Ansari, Baitha, Bhuiya, Bhuiyo, Khatun, Kumari, Pandit, Pandey, Paswan, Prasad, Ganjhu, Thakur, Tiwari, Bhuiyan, Ravidas, Chaudhari, Oraon, Laiya, Rajak, Pahan, Saw, Bai, Pal, Ram, Ray, Das, Lal, Sahu, Sinh, Koda, Choudhary, Khan, Devi, Gope, Turi, Manzi, Mahto, Miyan, Munda, Singh, Karam, Kumar, Rana, and Prajapati