Cognomen Mannem (Mannem 
) , throughout the world, is a common surname. The cognomen Mannem is habitual in India, where it is quite a rare surname, Australia, where it is a very rare surname, and Canada. Not in comparison with a country's population, it is the most numerous in India, the United States, and Canada. Very seldom, Mannem is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mannem | Canada, India, New Zealand, Australia, United States |
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mannem madhusudana rao |
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| mannem madhusudana rao Indian businessperson (born 1974, child of Peraiah Mannem), IN (b. 1974) |
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| laxmi narayana mannem Indian businessperson (born 1976, child of Apparao Mannem), IN (b. 1976) |
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| sushma reddy mannem Indian businessperson (born 1976, child of Pothan Reddy Varadabandj), IN (b. 1976) |
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| hannah mannem researcher |
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| mannem adinarayana researcher |
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| mannem srinath reddy researcher |
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| rajeev mannem researcher |
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| aruna choudary mannem Indian businessperson (born 1981, child of Ramamurthy Tallapaka), IN (b. 1981) |
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| mannem sarita Indian businessperson (born 1982, child of Krishna Reddy Mannem), IN (b. 1982) |
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| mannem nageswara rao IN |
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