Cathrine Laudrup-Dufour (born 2 January 1992) is a Danish Olympic dressage horse rider. Representing Denmark, she competed at the 2016 Summer Olympics in Rio de Janeiro where she finished 13th in the individual and 6th in the team competition. At the 2020 Summer Olympics in Tokyo, she finished 4th in both the individual and team dressage events.

In 2022 she won Team Gold for Denmark at the World Championships, Herning, and Individual Silver in the Grand Prix Special and the Grand Prix Freestyle with her longtime partner, Cassidy, who she retired at Herning.

Dufour started riding at age 5 and joined the Danish national pony dressage team at age 12. She has won several medals at the Danish and European junior and young riders championships.

While studying Sports Management at University College Zealand, Cathrine started up her own company Cathrine Dressage, through which she trains young riders and educates horses. She also develops training videos for the platform Cathrine Stream.

Dufour is married to Rasmine Laudrup, daughter of former professional footballer Brian Laudrup. They live on an equestrian estate in Fredensborg north of Copenhagen.