Koji Miyajiki (宮食行次, Miyajiki Koji, born March 20, 1995)[1] is a Japanese goalball player and a member of Japanese men's national team.

Miyajiki was a part of the Japan roster in the men's goalball tournament of the 2020 Summer Paralympics.

[2] He was on the team that won silver in the men's tournament, at the 2022 Asian Para Games.

[3][4] Miyajiki was on the team that won gold in the men's tournament, at the 2024 Summer Paralympics.

[5][6]