- Xcarnation
- Xceon
- XCEPTION
- Xcerts, The
- Xcese
- Xcho
- Xciter
- xclassicalcatx & Zorsy
- XcrucibleX (straight edge band from Birmingham)
- XD (Exploding Ducks Records)
- XD (South Korean boy group formerly known as XEED)
- xDEATHSTARx
- xDevourx (Belgian metalcore)
- Xdinary Heroes
- xDisciplex A.D.
- Xe-NONE
- XEBI SF
- Xeg (Portuguese underground rapper)
- Xeg, MC
- Xehanort
- Xeic
- Xela (Italian rock band)
- xela fella
- xELEGYx
- Xelishurt, Sadfriendd & Prompto
- Xelle
- Xelli Island
- Xemá
- Xemplify
- XEN (Swiss rap artist)
- XEN & EAZ
- Xen, Craig
- Xena East (AUS Transgender Singer/Songwriter/indie pop & R&B Soul Artist)
- Xeneris
- Xenesthis
- Xenia (1990s Europop)
- Xenia (New Wave band from Rijeka, Croatia)
- Xenia (Americam pop singer, finalist on The Voice)
- Xenia (Xenia Rubio, synthpop from Spain)
- Xenia (Xenia Seeberg)
- Xenia (Xenia of Xya, Xya)
- Xenia Pax
- Xenith (Melodic Metal band from UK)
- Xeno (Progressive Death Metal, Middelburg, Zeeland, Netherlands)
- Xeno (XenoSounds_)
- Xeno & Oaklander
- Xeno Ooze
- XENO-T (fka ToppDogg)
- Xenobeat
- Xenobiotic (Australian Technical Death Metal/Deathcore Band)
- Xenoblood
- Xenomorph (German psy-trance artist Mark Petrick)
- Xenomorph (Dutch metal band)
- Xenon (Rubén de la Cruz Pérez)
- Xenon-P
- Xenos (Australian gypsy band)
- Xenotheory (Slamming deathcore group from Paris, France)
- Xenoula
- Xentrifuge
- Xentrix (UK thrash metal band)
- Xenturion Prime
- Xeque-Mate (Portuguese metal band)
- Xer, Der
- Xera
- XERAPHIM
- Xerath
- Xeria
- XERIC
- Xerión (Spanish black metal)
- Xero (aka “Hybrid Theory” and later “Linkin Park”)
- Xerónimo (Mexican singer based in Spain)
- Xerxes (Downtempo artist)
- Xerxes (American hardcore/post punk band)
- Xerxes The Dark
- XES (Russian synthpop group)
- XESS
- Xetas
- XETEX (German producer / dj)
- Xetolyte (Dutch hardcore producer)
- Xeuphoria
- Xey, Los
- Xfactor1
- XFears (XFears)
- XFilesX
- xfou4
- Xfruge
- XG (South Korea based Japanese group)
- Xhamain
- xHEIDIx
- Xhelazz
