Roelof ("Olof") Antonius van der Meulen (born 8 November 1968, in Sneek, Friesland) is a retired volleyball player from the Netherlands, who represented his native country in two consecutive Summer Olympics, starting in 1992 in Barcelona.
After having won the silver medal in 1992, Van der Meulen's finest hour came in 1996, when he won the gold medal in Atlanta with the Dutch Men's Volleyball National Team by defeating Italy in the final (3–2).