Roel Luynenburg
Roelof "Roel" Johan Luynenburg is a retired rower from the Netherlands, who represented his native country twice at the Summer Olympics, starting in 1968. Four years later, he won the bronze medal in the coxless pairs alongside Ruud Stokvis. Luynenburg also won a bronze medal in the coxless fours at the 1966 World Rowing Championships.