Family name Muniappan (Muniappan 
) , globally, is quite a rare surname. The cognomen Muniappan is habitual in Malaysia, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Singapore. Measured by absolute frequency, it is the most numerous in Malaysia, India, and Indonesia. Very seldom, Muniappan is the forename as well as the last name.
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| Muniappan | United Arab Emirates, Malaysia, Indonesia, India, United States |
| gobichettipalayam periasamy muniappan Indian businessperson (born 1941, child of Periasami), IN (b. 1941) |
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| muniappan muraleedharan Indian businessperson (born 1957, child of Balu Yadav Muniappan), IN (b. 1957) |
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| krishnamoorthi muniappan researcher |
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| muniappan sankar researcher |
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| muniappan ayyanar researcher (ORCID 0000-0003-4685-6376) |
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| rangaswamy muniappan researcher |
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| senthilkumar muniappan researcher |
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| karthikeyan muniappan researcher (ORCID 0000-0003-1837-7706) |
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Mr, Rajan, Latha, Hansa, Magesh, Monita, Munish, Murali, Saroja, Prema, Suresh, Suguna, Selvam, Kuppan, Ponraj, Ramesh, Rajesh, Ragini, Deepak, Subash, Priya, Kanna, Ashok, Ms, Raj, Dvi, Muni, Siva, Arun, Arul, Bala, Puan, Raja, Ravi, Devi, Hema, Veni, Madam, Mohan, Muthu, Shiva, Selah, Lugaashini, and Jayani