The Osaka Prefecture Home Volleyball Federation (OVFF) is an organization dedicated to supporting and promoting volleyball among community players in Osaka, Japan. It coordinates a busy calendar of competitions, shares information for participating teams, and provides resources for players, coaches, and officials. Its events include the Osaka Prefecture Home Volleyball Championship, age-group tournaments, class-based competitions, and family and couples tournaments. The federation also publishes tournament notices, schedules, results, entry information, and required forms, helping teams stay informed and take part.

Beyond competition, OVFF supports volleyball learning and development through local classes, practical instruction, and training sessions. Its committees provide guidance on coaching and refereeing, including information about referee courses and volleyball workshops. The federation also shares safety and emergency-management guidance, broadcasts selected matches online, and posts updates about lost property at venues. Additional offerings include volleyball-related products and services introduced through its external relations committee, as well as commemorative publications and video materials. Through these activities, OVFF connects teams and volunteers while making organized volleyball more accessible across Osaka.