Hernán Viera

Hernán Moises Viera Espinoza (born January 16, 1993) is a Peruvian male weightlifter, competing in the 105 kg category and representing Peru at international competitions. He participated in the men's 105 kg event at the 2011 World Weightlifting Championships, and at the 2016 Summer Olympics, finishing in thirteenth position.

He won the gold medal in the men's 109kg event at the 2022 Pan American Weightlifting Championships held in Bogotá, Colombia. He won the silver medal in his event at the 2022 South American Games held in Asunción, Paraguay.

In 2024, he won the silver medal in the men's +109kg event at the Pan American Weightlifting Championships held in Caracas, Venezuela.