Rion Azuma (東 李苑, Azuma Rion, born 13 November 1996 in Sapporo, Hokkaido Prefecture) is a Japanese tarento. She is a former member of the Japanese idol girl group SKE48 and was a member of Teams E and S.

She is currently affiliated with Deep Skill.

Azuma passed Team Crerekko's (a Hokkaido-based idol group) 4th generation auditions in October 2012, but resigned in December 2012. She later applied for SKE48's 6th generation auditions in January 2013 and passed. Her debut was on February 28, 2013. Her debut stage performance was on March 26, 2013, at SKE48's Kenkyuusei Stage. On April 13, 2013, she was promoted to Team E. This made Azuma the member who spent the shortest period, 18 days, as a trainee member. In February 2014, during the AKB48 Group Shuffle, it was announced she would be transferred to Team S. She first entered SKE48's Senbatsu for the single Mirai to wa?.

Her lightstick colours were pink, black and white.^[1]

She graduated from SKE48 on March 31, 2017.^[2] She then ended her idol activities, moved back to her hometown of Sapporo and became a local tarento there.

On June 1, 2018, Azuma became affiliated with the Sapporo-based entertainment company CREATIVE OFFICE CUE.^[3] She left the agency on September 30, 2022.^[4] The day after, she expanded her range of operations to Tokyo.

On February 9, 2023, Azuma announced her move to the Tokyo-based entertainment company Deep Skill.^[5] On August 9 of the same year, she announced her marriage to the Hokkaido-born influencer Hiyo.^[6]