Ririko Ishizawa (石澤りりこ, Ishizawa Ririko, born September 27, 1991) better known by her ring name Rika Tatsumi (辰巳リカ, Tatsumi Rika) is a Japanese professional wrestler working for the Japanese promotions Tokyo Joshi Pro-Wrestling (TJPW) and DDT Pro Wrestling.

At Ryōgoku Peter Pan 2017 on August 20, she participated in a Rumble rules match for the Ironman Heavymetalweight Championship also involving Yuu, Mizuki, Tetsuya Koda and others.

[12] On the second night of Wrestle Peter Pan 2020 from June 7, she teamed up with Bakuretsu Sisters (Nodoka Tenma and Yuki Aino) in a losing effort to MiraClians (Yuka Sakazaki and Shoko Nakajima) and Miyu Yamashita.

She made her first appearance at Judgement 2017: DDT 20th Anniversary on March 20 where she teamed up with Reika Saiki and Azusa Takigawa in a losing effort to Yuu, Mil Clown and Maki Itoh.

[15] At Judgement 2018: DDT 21st Anniversary on March 25, she teamed up with Maho Kurone in a losing effort to MiraClians (Yuka Sakazaki and Shoko Nakajima).