Family name Wijesekera (Wijesekera 
) , worldwide, is quite a common last name. The surname Wijesekera is habitual in Sri Lanka, where it is quite a common surname, New Zealand, where it is a rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in Sri Lanka, Australia, and the United States. Much less frequently, Wijesekera is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wijesekera | Australia, Indonesia, Canada, United States, Sri Lanka |
| oliver hector de alwis wijesekera (b. 1909) |
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| nandadeva wijesekera (b. 1909) |
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| a. r. l. wijesekera badminton player, LK (b. 1930) |
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| nanda wijesekera badminton player, LK (b. 1935) |
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| priyantha wijesekera badminton player, LK (b. 1954) |
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| ranil wijesekera badminton player, LK (b. 1956) |
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| duminda wijesekera researcher (b. 1957) |
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| duleep wijesekera Sri Lankan politician, LK (b. 1957) |
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| niranjan wijesekera badminton player, LK (b. 1960) |
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| thilan p wijesekera researcher (ORCID 0000-0002-2473-424X) |
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| vishva a wijesekera researcher |
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| dj wijesekera researcher ORCID ID = 0000-0002-8282-311X |
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| lokesh wijesekera researcher |
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| r d wijesekera researcher |
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| l c wijesekera |
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Mr, Ashok, Asoka, Chami, Karen, Kevin, Kusum, Rangi, Rahal, Rahul, Amesh, Roney, Rohan, Rehan, Ruwan, Diane, Dylan, Layan, Lloyd, Jayan, Jason, Royce, Tilak, Amali, Anoja, Ms, Sam, Avi, Nal, Meng, Mmis, Anil, Asha, Kumi, Aruna, Rivi, Daya, Jack, Jude, Vinu, Manel, Miraj, Saman, Sunil, Aloka, Ryan, and Nadie