- Xscape
- xServitudex
- XSI (Psytrance project from France)
- Xstasia
- XT
- Xtatik
- XTC (English rock band)
- Xtha
- XTIE (Hong Kong Solo Artist)
- xtinto (Portuguese Rapper)
- XTM (Catalan dance music act;Brothers Xasqui and Toni Ten)
- XTM & Chucky, DJ
- XTM & DJ Chucky
- Xtortion Audio
- XTR Human
- Xtract (UK punk band from Sheffield)
- Xtreme (US bachata group)
- Xtreme feat. Houghton, Adrienne
- Xtreme Kids
- Xtreme Kids (Christian music group)
- XTRMST
- Xtrullor
- Xtruppaw
- xTyrantx
- Xu Xu Fang
- Xu, Lumi
- Xu, Song
- Xu, Weizhou
- Xu, Yiyang
- Xuclà, Toni
- Xue, Joker
- Xuitcasecity
- Xul (Canadian metal)
- Xul Zolar
- Xulfi (Zulfiqar Jabbar Khan (Pakistani Artist))
- XUM (South Korean girl group)
- Xuman (Russian indie rock)
- xUntold Sufferingx (Vegan metalcore band from London)
- Xureni
- Xurious
- Xuso Jones
- Xuso Jones feat. Flii Stylz
- Xutik
- Xutos & Pontapés
- Xuxa
- Xuxa feat. Brown, Carlinhos
- Xuxa feat. Sangalo, Ivete
- XV (US rapper)
- XV Barbar
- XV feat. Munroe, Colin
- XV feat. Pusha T
- XVBARBAR
- XWaves
- XweaponX (American straight edge metalcore)
- XX Teens
- xx, Jamie (English DJ, record producer, and remixer)
- xx, Jamie feat. Romy
- xx, Jamie feat. Sim, Oliver
- xx, Jamie feat. Young Thug & Popcaan
- xx, The (London UK three-piece)
- xxanaxx
- xxanaxx feat. Ten Typ Mes
- xxanteria
- XXI
- XXL (Spanish metal band)
- Xxtarlit (breakcore/hardcore electronic)
- Xxtarlit⚸
- XXX (Korean hip-hop duo)
- XXX Rottweiler hundar
- XXXHXAILO
- xxxmanera
- XXXTENTACION
- XXXTENTACION & Killstation
- XXXTENTACION & Ox, Matt
- XXXTENTACION & Ski Mask the Slump God
- XXXTENTACION & Xen, Craig
- XXXTENTACION feat. Barker, Travis
- XXXTENTACION feat. blink‐182
- XXXTENTACION feat. Cyrus, Noah
- XXXTENTACION feat. Joey Badass
- XXXTENTACION feat. Joey Badass & Kemba
- XXXTENTACION feat. Killstation
- XXXTENTACION feat. Kin$oul & Killstation
- XXXTENTACION feat. Lanez, Tory & Mavado
- XXXTENTACION feat. Levy, Jimmy
- XXXTENTACION feat. Lil Wayne
- XXXTENTACION feat. Lucas, Joyner
- XXXTENTACION feat. PnB Rock
- XXXTENTACION feat. PnB Rock & Redd, Trippie
- XXXTENTACION feat. Redd, Trippie