This is a list of former channels on XM Satellite Radio, in addition to information on format changes of existing channels. Also included is information on temporary channels and seasonal channels.

Before the Sirius and XM channel lineup merger

These actions took place before November 12, 2008, the merger of the Sirius and XM channel lineups.

Format changes

Most of these XM channels still exist on the lineup, but have made changes to its presentation method or playlist:

Defunct channels

These channels are no longer part of the XM platform:

Channels which changed ownership

Channels canceled before launch

Channels of unknown status

Seasonal and holiday channels

These channels are season- and holiday-based, and are only around for a part of the year. It is not uncommon that they take the place of an existing channel. , Sirius XM has reduced the periods that some of the holiday channels run for the 2015 season with only Holly and Holiday Traditions running for the full season (day after Halloween to day after Christmas.) The following seasonal channels also aired on XM in past years:

XM on AOL Radio

On 2008-04-30, the XM channels were no longer offered on AOL Radio, as AOL switched to CBS Radio for some of its content, thus ending a partnership between AOL and XM.

On or after the Sirius and XM channel lineup merger

These actions took place on or after 2008-11-12, the merger of the SIRIUS and XM channel lineups.

Channel mergers

These channels were merged with their Sirius counterpart to reduce redundancies across the two channel lineups:

Defunct channels

These channels are no longer included in the XM part of the Sirius XM Radio platform:

Micro-channels

These channels are specialty themed channels aired to coincide with an event, or devoted to a single personality or musical artist: