Denis Mikhailovich Ablyazin is a Russian artistic gymnast. Ablyazin is Olympic Champion 2020 in Tokyo and a seven-time Olympic Games medalist. At the 2012 London Olympics he won silver in vault and bronze in floor. At the 2016 Rio de Janeiro Olympics, he won silver with the Russian men's team, a silver in vault and bronze in rings.

Gymnastics at the 2016 Summer Olympics in Rio de Janeiro was held in three categories: artistic gymnastics, rhythmic gymnastics and trampolining. All gymnastics events were staged at the Arena Olímpica do Rio from 6 to 21 August 2016.