Willem Egidius Johannes "Wim" Ernes (2 July 1958 – 1 November 2016) was a Dutch equestrian dressage coach from Schimmert. Ernes was seen as an icon within the Dutch equestrian sport. He was twice the coach of the Dutch national dressage team, his first from 1993 to 1996 and the second from 2013. During his first period the Dutch dressage team won the silver medal at the 1994 World Championships and the silver medal at the 1996 Summer Olympics. During his second period the Dutch dressage team won the silver medal at the 2013 European Championships, the bronze medal at the 2014 World Championships and gold at the 2015 European Championships.