The 23rd Packet Video Workshop (PV 2018) is devoted to presenting technological advancements and innovations in video and multimedia transmission over packet networks. The workshop provides a unique venue for people from the media coding and networking fields to meet, interact and exchange ideas. Its charter is to promote the research and development in both established and emerging areas of video streaming and multimedia networking. PV 2018 will be held in Amsterdam on June 12th. The workshop will be a single-track event and welcomes paper submissions from both cutting-edge research, and business and consumer applications. PV 2018 will be co-located with ACM MMSys, NOSSDAV, NetGames and MMVE.