Surname Palaniappan (Palaniappan 
) , in all the world, is a common family name. The surname Palaniappan is habitual in Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, the name is most common in Malaysia, India, and the United States. Much less frequently, Palaniappan is the forename as well as the last name.
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| Palaniappan | United States, United Arab Emirates, Singapore, Malaysia, India |
| s. m. palaniappan former Member of the Legislative Assembly, IN (b. 1930) |
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| k. l. palaniappan Malaysian businessman, MY (b. 1958) |
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| annamalai palaniappan Indian businessperson (born 1968, child of Palaniappan Annamalai), IN (b. 1968) |
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| parthiban palaniappan Indian businessperson (born 1969, child of Palaniappan Rangasamy), IN (b. 1969) |
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| palaniappan marimuthu researcher |
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| palaniappan ramu Ph.D. University of Florida 2007 |
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| krishnaveni palaniappan researcher |
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| ayyammal palaniappan researcher |
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| p. palaniappan Indian politician, IN |
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| krishna palaniappan researcher |
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| d. palaniappan Ph.D. University of Hyderabad 1991 |
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| palaniappan l. kannappan Ph.D. University of Washington 1964 |
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| krishnan k palaniappan researcher (ORCID 0000-0003-0203-9016) |
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| palaniappan sivasankar researcher |
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| ashwin palaniappan researcher |
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