John Paul Papanicolaou

John Paul Papanicolaou (died 14 February 2010) was a Greek businessman active in the shipping industry. A friend of the Onassis family, he is best known for his purchase and restoration of the Onassis yacht, the Christina O, and purchase and conversion of the now decaying former Yugoslavian presidential yacht Galeb, which was the third largest yacht in the world at one time.

John-Paul Papanicolaou died in Athens, Greece on 14 February 2010 after a two-year-long battle with cancer.