Family name Wijerathna (Wijerathna 
) , throughout the world, is a common last name. The cognomen Wijerathna is habitual in Sri Lanka, where it is quite a common surname, Maldives, and Qatar, where it is quite a rare surname. In absolute terms, it is the most numerous in Sri Lanka, United Arab Emirates, and Saudi Arabia. Very seldom, Wijerathna is the forename as well as the last name.
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| Wijerathna | United Arab Emirates, Maldives, Saudi Arabia, Sri Lanka, Qatar |
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lalith wijerathna Sri Lankan politician and third leader of JVP (1958−1990), LK (b. 1958) |
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| wijerathna warakagoda Sri Lankan actor, LK (b. 1933) |
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| rohini kumari wijerathna politician in Sri Lanka (b. 1971) |
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| thalatha wijerathna Sri Lankan novelist and educator |
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| tharaka wijerathna researcher |
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| thilini madushanka wijerathna researcher |
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| danushka wijerathna (b. 1982) |
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Mr, Asela, Akila, Ajith, Kalpa, Kasun, Piyal, Ranga, Rohan, Ruwan, Dasun, Dinoj, Dilan, Gayan, Gihan, Tiran, Navod, Nadun, Namal, Nalin, Nilmi, Nimal, Ashan, Nipun, Amila, Aruna, Sam, Dil, Lal, Amal, Asha, Banu, Ravi, Tony, Nilu, Nish, Upul, Manoj, Madhu, Sanka, Saman, Sahan, Sadun, Sunil, Susil, Supun, Anura, Amali, and Nihal