Kaliyugaya (Sinhala, Age of Darkness) is a novel written by Sinhala writer Martin Wickremasinghe and first published in 1957. It is the second book of Wickremasinghe's trilogy that started with Gamperaliya - transformation of a village. The final book of the trilogy is Yuganthaya (culmination of the era).

AuthorMartin Wickremasinghe
CountrySri Lanka
GenreHistorical novel
Publication date
Media typePrint (paperback)
Preceded byGamperaliya 
Followed byYuganthaya 

It was adapted into a movie by Lester James Peries in 1981.

The story depicts the lives of Nanda and Piyal after marriage and their children.