James Adityavarman Graham (born 10 March 1970 in Canberra), known professionally as Jamie Aditya, is an Indonesian-Australian video jockey, presenter, actor, radio host, and singer.

Jamie Aditya is the grandson of Achdiat Karta Mihardja, a famous Sundanese writer and novelist from Indonesia.

His Indonesian mother was the daughter of Achdiat K. Mihardja, Mrs. Ati Asyawati and his father, Stuart Laurence Graham, is from Australia and the son of Australian Military Senior officer, Stuart Clarence Graham.

He collaborated with Glenn Fredly in the song, "Good Times" on the album Aku Dan Wanita.

He voiced Spook and the mice in the kids TV series Kitty Is Not a Cat.