Family name Loganathan (Loganathan 
, லோகநாதன்) , across the world, is a common cognomen. The cognomen Loganathan is characteristic of Malaysia, where it is quite a common surname, Sri Lanka, and Singapore, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Malaysia, India, and Sri Lanka. Also, Loganathan is the forename as well as the last name.
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| Loganathan | South Africa, United Arab Emirates, Sri Lanka, Malaysia, India |
| c. loganathan Ceylon Tamil banker, LK (b. 1913) |
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loganathan srinivasan Indian cinematographer, IN |
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balaji loganathan (b. 1982) |
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| loganathan arumugam Malaysian singer, MY (b. 1953) |
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| gobichettypalayam vasudevan loganathan professor of civil and environmental engineering, US (b. 1954) |
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| loganathan karthik researcher |
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| loganathan mohan researcher (ORCID 0000-0002-9084-6784) |
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| loganathan jayapal researcher (ORCID 0000-0001-5670-5366) |
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| loganathan murugan researcher |
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| agilandeeswari loganathan researcher |
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| devan loganathan researcher |
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| santosh loganathan researcher (ORCID 0000-0001-9688-5058) |
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| bommanna g. loganathan researcher |
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| loganathan sabanayagam Canadian fraudster |
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| kavithaa loganathan researcher |
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