Surname Weerarathne (Weerarathne 
) , worldwide, is quite a rare cognomen. The cognomen Weerarathne is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Sri Lanka, Indonesia, and Qatar.
| VARIANT | COUNTRY |
|---|---|
| Weerarathne | Indonesia, United Kingdom, Qatar, Sri Lanka, Australia |
| dilum weerarathne Sri Lankan cricketer, LK (b. 1996) |
|
Guy, Jagath, Nishan, Nipuni, Harsha, Vishmi, Yasith, Yasoda, Udithe, Maheshi, Sampath, Sameera, Kavindu, Kivindi, Krishen, Dilshan, Duminda, Lakshan, Jananee, Jithmims, Thilini, Thushan, Janaka, Janith, Lahiru, Gihani, Manoj, Mevan, Anura, Anupa, Aruna, Amith, Kasun, Kumar, Kusal, Gayan, Natasha, Nuwan, Yohan, Ushan, Malith, Sandun, Sarath, Amisha, Asanga, Dasuni, Dilini, Goyumi, Isuru, and Nadeeka