Provided is a user authentication management device including a login request receiver that receives a login request from a user from a plurality of inputters via a path corresponding to each of the plurality of inputters, an authentication scheme selector that selects any one of a plurality of authentication schemes and provides identification information of a user related to the received login request to the selected authentication scheme to perform user authentication, and a user information storage that stores a user authentication result received from the selected authentication scheme as user information related to the user, in which the authentication scheme selector selects an authentication scheme predetermined corresponding to a path through which the login request is received.