Eva von Gencsy (11 March 1924 – 11 April 2013) was a dancer, choreographer and teacher. After immigrating to Canada from Europe she performed with prominent Canadian dance companies Royal Winnipeg Ballet and Les Grands Ballets Canadiens. After discovering jazz dance she founded a new style of dance called ballet-jazz. She created Les Ballets Jazz de Montréal in 1972 and became their first artistic director. After leaving the company she continued to teach and showcase her new style of dance across Canada and around the world. She died in Montreal of complications due to cardiac arrest.