Katherine Alvarado Araya (born 3 March 1988) is a Costa Rican taekwondo practitioner.
She competed in the -67 kg event at the 2014 Pan American Taekwondo Championships in Aguascalientes, Mexico.
According to the Costa Rican Olympic Committee, her best historical ranking in the -67 kg category was at 13th place worldwide.In 2019, Alvarado plans to compete in the 2019 World Taekwondo Grand Prix in Japan.