Family name Yumnam (Yumnam 
) , all over the world, is quite a rare surname. The cognomen Yumnam is habitual in Singapore, where it is a very rare surname, India, and Malaysia. Measured by absolute frequency, the name is most common in India, Malaysia, and the United States. Predominantly, Yumnam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Yumnam | United Kingdom, India, Singapore, Malaysia, United States |
| george yumnam researcher |
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| bibek yumnam |
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| chingkhei yumnam Indian footballer, IN (b. 1994) |
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| karnajit yumnam Indian cricketer (b. 1997) |
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| sarita yumnam Indian association football player, IN |
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| bikash yumnam Indian footballer, IN |
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Mani, Romita, Jamini, Jamuna, Thoibi, Irabot, Ibemcha, Ibemhal, Ibocha, Ibohal, Premjit, Inaocha, Iboyaima, Ibopishak, Muhindro, Joykumar, Ekashini, Ibempishak, Sanatomba, Sanahanbi, Surchandra, Bilashini, Khamba, Bimola, Brojen, Chaoba, Bala, Devi, Mangi, Memma, Singh, Chanu, Bijay, Bimol, Rajen, Leima, Shantibala, Jiten, Tombi, Ibomcha, Yaima, Meitei, Memcha, Shanta, Surjit, Sunita, Sobita, Ahanbi, Tomba, and Nungshitombi