World Channel, also branded as World and briefly referred to in its national rollout as PBS World, is an American digital multicast public television network owned and operated by the WGBH Educational Foundation. It is distributed by American Public Television and the National Educational Telecommunications Association and features programming covering topics such as science, nature, news, and public affairs. Programming is supplied by the entities, as well as other partners such as WNET and WGBH. It is primarily carried on the digital subchannels of PBS member stations.

The Speir AD Exchange