Johannes Cornelis van Hoolwerff (April 13, 1878 in Hoorn – August 2, 1962 in Heemstede) was a sailor from the Netherlands, who represented his native country at the 1928 Summer Olympics in Amsterdam. Van Hoolwerff, as helmsman on the Dutch 8 Metre Hollandia, took the 2nd place with fellow crew members: Lambertus Doedes, Henk Kersken, Cornelis van Staveren, Gerard de Vries Lentsch and Maarten de Wit.