List of Famous people who died at 55

Ivar Formo was a Norwegian cross-country skier and orienteer who competed during the 1970s.

Michael Pickersgill Benthall CBE was an English theatre director.

Robert Leslie Carroll Conly, better known by pen name Robert C. O'Brien, was an American novelist and a journalist for National Geographic magazine.

Suharno was an Indonesian football coach who managed Arema Cronus from November 2013 until his death in August 2015.

Andranik Nahapeti Margaryan served as the Prime Minister of Armenia from 12 May 2000, when the President appointed him, until his death on 25 March 2007. He was a member of the Republican Party of Armenia. He succeeded the Sargsyan brothers: Vazgen Sargsyan, who was murdered during the Armenian parliament shooting on 27 October 1999 and Aram Sargsyan, whom the President appointed a week later, but fired on 2 May 2000.

George Alec Effinger was an American science fiction author, born in Cleveland, Ohio.