List of Olympic competitors (Rm–Ro)

A number of sportspeople have competed in the Olympic Games since the first modern edition in 1896. Though participation fluctuates by edition, approximately 2,900 athletes compete at each Winter Olympics while over 10,000 compete at each Summer Olympics, with the 2016 Summer Olympics holding the record for the most athletes at 11,238.^[1][2]

This is an alphabetic list of Olympians who competed in a medal event at a modern Olympic Games. Only athletes that competed in at least one senior-level Olympic Games are included, with each athlete's Olympic participation listed along with their sports and nations represented.^[3]