Surname Nagalingam (Nagalingam 
) , around the globe, is a common family name. The last name Nagalingam is characteristic of Sri Lanka, where it is quite a common surname, Malaysia, and Lesotho, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Sri Lanka, Malaysia, and India. Very seldom, Nagalingam is the forename as well as the last name.
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| Nagalingam | Canada, Malaysia, India, Lesotho, Sri Lanka |
| c. nagalingam Sri Lankan judge (b. 1893) |
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| nagalingam rasalingam badminton player, LK (b. 1935) |
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| p. nagalingam Indian politician, IN |
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| anil nagalingam researcher |
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| nagalingam rajakumar researcher (ORCID 0000-0002-1432-1345) |
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| nagalingam r sundaresan researcher |
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| nagalingam mohandoss researcher |
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| arun prasanth nagalingam researcher |
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