The athlete announced his decision at a special press conference.
It is clarified that the skater will continue to act as a professional.
Hanyu won his first gold at the Olympics at the Winter Games in Sochi, which took place in 2014.
At the Games in Pyeongchang (Republic of Korea) in 2018, he repeated his success.
In Beijing, Hanyu finished fourth.
In the free skate, he attempted a quadruple axel but fell on the landing.
The gold medal of the Games was won by American Nathan Chen, who set a new world record in the short program.
Earlier it was reported that Russian fans will be able to visit the stage of the Grand Prix in figure skating in Finland.