Johan Robert "Joop" Carp was a sailor from the Netherlands, who represented his native country at the 1920 Summer Olympics in Ostend, Belgium. With crew Bernard Carp and Petrus Wernink, helming Dutch boat Oranje, Carp took the Gold in the 6.5 Metre. In the 1924 Olympics Carp took part of the competition in the 6 Metre with the Dutch boat Willem Six with crew members Anthonij Guépin and Jan Vreede Carp took this time the bronze medal. In the 1936 Olympics Carp returned to the Olympics as helmsman of the Dutch 6 Metre De Ruyter this time with crew members Ansco Dokkum, Kees Jonker, Herman Looman, Ernst Moltzer and finished eighth overall.

Sailing/Yachting is an Olympic sport starting from the Games of the 1st Olympiad. With the exception of 1904 and the canceled 1916 Summer Olympics, sailing has always been included on the Olympic schedule. The Sailing program of 1924 consisted of a total of three sailing classes (disciplines). For each of the classes the event an elimination round, semi-finals and finals were scheduled. The French National Monotype 1924 was on the program from 10 to 13 July. The Metre classes had their races from 21 to 26 July.