Appuhamy (surname)
Karunatilaka ()  is a Sinhalese surname. Notable people with the surname include:
 Hector Appuhamy, Sri Lankan politician
 N. M. Appuhamy (born 1975), Ceylonese businessman
 R. M. Appuhamy (born 1930), Ceylonese politician
 Sunil Roshan Appuhamy (born 1993), Sri Lanka footballer

Surnames of Sinhalese origin