Depends on what you mean by saddle horse--do you mean an easy-gaited horse like the Tennessee Walker, or any light breed of horse. Regardless, there are tons of each that didn't originate in the US.
United States
The United States
Llamas did NOT originate in the United States. Llamas came from S. America
United States
united states!
United States
United states
The United States of America
Colorado, united states of America
United States
The southern United States
the united states