- X Factor X - Hard rock/metal band from New Haven, Connecticut, USA. News, sounds, photos, video, links. Site auto-plays sound files.
- X Project - Official site of the Chicagoland area musicians.
- X Rayok - MP3s, guestbook, and links.
- X Takes The Square - Rock duo. Biography, MP3s, lyrics, and links.
- X-Addict - Blues/rock band from Southern California. Official site includes bio and gig information.
- X-Clan - Includes biography, discography, articles, and message board. At Rollingstone.com.
- X-Dream - Information about the trance band at chaishop.
- X-ecutioners, The - Includes biography, discography, and message board. At Rollingstone.com.
- X-Possibles - Female fronted band from New York City. Show list, merchandise, images, links, mailing list, and press.
- X-Press 2 - Tour dates, discography, band profile and news.
- Xanadu - New Zealand synth rock band. News, photos, MP3s, reviews, and links.
- Xavier Xerxes - Fun and wacky, guitar oriented heavy metal music, influenced by the likes of Van Halen, Judas Priest, Dokken, Frank Zappa and others.
- Xenoton - German electronic musician. Profile, news, sound files, reviews, and discography. In English and German.
- Xero - Official site of the Cleveland-based band offers a biography, show dates, lyrics and pictures.
- Xiren - Electronic/rock music from Denver, Colorado, US. Includes MP3 and RealAudio clips, profile, photographs, and mailing list.
- Xmile - Swedish band with two lead vocals and two lead guitars. In English and Swedish.
- Xscape - Includes biography, discography, trivia, and message board. At Rollingstone.com.
- Xyra and Verborgen - Self-described "cabaret rock nouveau" band. Song samples, biographies, gigs and reviews.
- Xyster - personal details of the members of this punk band from Erie.
