Worldwide, Weerarathne (Weerarathne 
) is an extremely rare unknown gender forename. Much more prevalently, Weerarathne is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Weerarathne | Indonesia, United Kingdom, Qatar, Sri Lanka, Australia |
| lekamalage visna yahani weerarathne Sri Lankan crop researcher |
|
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