Yes, if you have a Roku player with a USB port and if you install the free Roku USB Media Player channel.

To install the Roku USB Media player channel:

• From the Roku home screen, select the Roku Channel Store.
• Navigate down to the “Music” or “Photos & Video” category.
• Select “Roku USB Media Player.”
• Select “add channel.”

Click here to see supported video, audio and photo file types.

Click here to see how to convert videos for playback on the Roku USB channel.

NOTE:  Only the Roku 2 XS, Roku XDS, and Roku HD-XR models have a USB port.