P .B. Jayasekara (Sinhala: පි.බි.ජයසේකර), also known as Premathilaka Jayasekara, is a Sri Lankan short story writer and translator. His short story, kotiya (Sinhala: කොටියා) was awarded the first place at the Ravaya (Sinhala: රාවය) literary festivals in 1993 and Daruduka (Sinhala: දරුදුක) won the first place at the "Independent literary festival" (Sinhala: ස්වදීන සහිත්ය උළෙල) in 1994.
P.B. Jayasekara started his writing career as a top-level journalist. In the 1980s, he was one of the leading historical article writers in Sri Lanka. His articles were published in The Island and The Sunday Observer.[6]Later he became a sub-editor in Sandesaya in (Sinhala: සන්දේශය)[7]and Vivarana (Sinhala: විවරන) magazines[8]