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.

"The Calm Before" is the fifteenth and penultimate episode of the ninth season of the post-apocalyptic horror television series The Walking Dead, which aired on AMC on March 24, 2019.