The word equestrian is a reference to horseback riding, derived from Latin and , "horse". Notable examples of this are:

• Equestrianism, the art of horseback riding
• Equestrian order, one of the upper classes in ancient Rome
• Equestrian statue, a statue of a leader on horseback
• Equestrian nomads, one of various nomadic or semi-nomadic ethnic groups whose culture places special emphasis on horse breeding and riding
• Equestrian at the Summer Olympics, a division of Olympic Games competition
• Demonym of Equestria, a fictional country in My Little Pony: Friendship is Magic