Fox Cities Roller Derby is a Women's Flat Track Derby Association (WFTDA) member league based in Appleton, Wisconsin.

FCRD is a 501c3 non-profit athletic organization that strives to provide a safe and welcoming community of skaters, officials and volunteers for people involved in the sport of women's flat track roller derby in the Fox Valley and surrounding areas. FCRD's mission is to foster a lifelong enjoyment of the game of roller derby for people of all skill levels as well as encourage athleticism, teamwork and community involvement for all of its members.