Yo-Yo Girl Cop ( = ,Sukeban Deka: Kdonmu = Asamiya Saki?, literally "Delinquent Girl Detective: Codename = Saki Asamiya") is a Japanese live action film by Kenta Fukasaku, in the Sukeban Deka franchise.
Yo-Yo Girl Cop stars Aya Matsuura with the lead role as Saki Asamiya and Rika Ishikawa cast as her rival, Reika Akiyama. Yuki Saito, who played the role of Saki in the first live action TV series, stars as Saki's mother. The movie was released on September 30, 2006 in Japan and in the United States on July 17, 2007 by Magnolia Pictures as Yo-Yo Girl Cop.
This movie was parodied in the softcore V-Cinema Yo-Yo Sexy Girl Cop ( = ,Sukepan Deka: Baajinnmu = Moromie Saki?, literally "See-Through Panties Detective: Virgin Name = Saki Moromie"). Due to its similar name and cover artwork, many American viewers mistakenly believe it is a sequel to Yo-Yo Girl Cop.