- Xavier. (Xavier Pace)
- xaviersobased (underground artist)
- XavierTheRapper
- Xay Hill
- Xayalith, Alisa (The Naked and Famous member)
- xBishopx (Straight edge hardcore band from Florida)
- XBXRX
- XC-NN (industrial group, earlier called CNN)
- Xcelencia
- Xcerts, The
- Xcese
- Xcho
- Xciter
- XD (Exploding Ducks Records)
- xDEATHSTARx
- Xdinary Heroes
- xDisciplex A.D.
- Xe-NONE
- XEBI SF
- XEED (South Korean boy band)
- Xeg (Portuguese underground rapper)
- Xeg, MC
- Xehanort
- Xeic
- Xela (Italian rock band)
- Xelle
- Xelli Island
- Xemá
- XEN (Swiss rap artist)
- XEN & EAZ
- Xen, Craig
- Xenesthis
- Xenia (1990s Europop)
- Xenia (New Wave band from Rijeka, Croatia)
- Xenia (Americam pop singer, finalist on The Voice)
- Xenia (Xenia Rubio, indie pop from Spain)
- Xenia (Xenia Seeberg)
- Xeno & Oaklander
- Xenobiotic (Australian Technical Death Metal/Deathcore Band)
- Xenoblight
- Xenoblood
- Xenon (Rubén de la Cruz Pérez)
- 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
- Xerath
- Xeria
- XERIC
- Xerión (Spanish black metal)
- Xero (aka “Hybrid Theory” and later “Linkin Park”)
- Xerónimo (Mexican singer based in Spain)
- Xerox & Infected Mushroom
- Xerxes (Downtempo artist)
- Xerxes (American hardcore/post punk band)
- Xerxes The Dark
- XES (Russian synthpop group)
- XESS
- Xetas
- Xeuphoria
- Xfactor1
- Xfruge
- XG (South Korea based Japanese girl group)
- Xhamain
- Xhelazz
- Xhulooo
- xi (Yusuke Ishiwata)
- xi feat.Sta
- Xia (Kim Jun Su / Xiah)
- XIA (South Korean singer)
- XIA feat. YDG
- Xiao (hardcore from Stockholm)
- Xiao, Zhan
- XIARA (German Rapper)
- Xibalba (Hardcore/Death Metal)
- Xibling (synth duo)
- Xie (Female LA producer & singer)
- XII Thorns
- XIII. století
- Xiivan Young
- XIIVI (Artist from Tunis)
- xikers
- Xile (New Zealand hardcore)
- Xilent (producer Eryk Kowalczyk)
- Xilent feat. Diamond Eyes