The Roku Streaming Player (or simply Roku) is a series of set-top boxes manufactured by Roku, Inc. Over-the-top content is provided by Roku partners in the form of channels. Users can add or remove different channels through the Roku Channel Store. In May 2011, Roku stated the devices had over one million viewers and had delivered 15 million channel downloads.

Both on-demand content and live streaming are supported by the devices. For live TV streams, Roku supports Apple HLS (HTTP Live Streaming) adaptive streaming technology. Both free and paid channels are available and include services such as Netflix, Hulu Plus, Amazon Instant Video, WWE Network, HBO Go, and others. Some games are available for the devices.