Nina Ligon, Thai name Rujiraporn Lamsam Ligon (Thai: รุจิราภรณ์ ล่ำซำ ลีเกิ้น (ณีนา); born 8 October 1991) is a Thai-American equestrian, who competed for Thailand in the Individual eventing at the 2012 Summer Olympics. She was the first female equestrian to represent an Asian country in the equestrian events at the Olympic Games. At the 2012 Olympic Games, she rode Butts Leon, who was previously ridden by Andres Dibowski at the 2008 Olympics. The pair finished 41st out of 75. Following the London Olympics, she began a degree at Stanford University.