The 2025 ACM/IEEE Joint Conference on Digital Libraries (JCDL 2025) will take place December 15 to 19, 2025. The conference will be conducted fully online, featuring live synchronous sessions complemented by asynchronous resources such as recorded videos and discussion forums. Northern Illinois University, located in DeKalb, Illinois, USA, will serve as the host institution, providing the organizational base and technical infrastructure for the event. All accepted papers from the conference will be published in IEEE Xplore, supported by sponsorship from the IEEE Computer Society, ACM SIGIR, and ACM SIGWEB.