Family name Kulasingam (Kulasingam 
) , around the globe, is quite a rare last name. The family name Kulasingam is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, and Denmark, where it is a rare surname. Measured by absolute frequency, the name is most common in Sri Lanka, Malaysia, and Canada. Very seldom, Kulasingam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kulasingam | United Kingdom, Sri Lanka, Malaysia, United States, Canada |
| kulasingam sabaratnam former Malaysian police officer (b. 1931) |
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| shalini l kulasingam academic |
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| vathany kulasingam researcher ORCID ID = 0000-0001-5610-873X |
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