Yumiko is a fictional character in the comic book series The Walking Dead and the television series of the same name, where she is portrayed by Eleanor Matsuura. In both universes, Yumiko is part of a small group of roaming survivors that is led by her girlfriend, Magna, and as in the comic books, she is an LGBT character like Tara Chambler, Aaron, and Jesus.

Eleanor Matsuura is a British actress best known for her roles as Yumiko in The Walking Dead, Hannah Santo in Spooks: The Greater Good, Bev in Utopia and as PC Donna Prager in Cuffs.