Gamya Wijayadasa, ගම්ය විජයදාස, is a Sri Lankan beauty pageant titleholder who won Derana Veet Miss Sri Lanka 2009 and represented Sri Lanka in Miss World 2009 on December 12, 2009 in Johannesburg, South Africa.
Wijayadasa began volunteering at the age of 13. She started as a volunteer journalist and ventured into many avenues of social service where she contributed to major community projects before the title of Miss Sri Lanka was bestowed upon her.
Gamya studied up to grade 6 at Musaeus College in Colombo before leaving to Singapore and then studying at the Marsiling College, after that she went to Australia an Gamya Wijayadasa.jpg d studied Psychology for her Bachelor's degree.
2009 October Wijayadasa was appointed as the United Nations Good will ambassordor for Sri Lanka as a recognition of her 10 years of community service for her country. Gamya is also working as representative of " Tharunyata Hetak " - National Youth Organisation.