Rio Azuma (born 27 July 1998) is a Japanese fencer.
[1] She represented Japan in the women's team foil event at the 2020 Summer Olympics.
[2] Azuma finished fifth in team foil at the 2018 Junior World Fencing Championships.
Their mother Miki fenced internationally at junior level, and encouraged both daughters to take up the sport.
[3] This biographical article related to fencing in Japan is a stub.