| X, Herford, Germany | x, Lokeren, Belgium |
| X & Y Bar, Brisbane, Australia | X Factor, Paris, France |
| X Factor Australia, Sydney, Australia | X Rockeklubb, Bodø, Norway |
| X-Club, Hamilton, ON, Canada | X-Fest, Salem, OR, USA |
| X-fest, Dayton, OH, USA | X-Fest 2, Brandon, MB, Canada |
| X-plosion Festival, SPEC Centre, St Albans, England | X-Point Halle, Passau, Germany |
| X-Ray Cafe, Portland, OR, USA | X-Scape, Salt Lake City, UT, USA |
| X-tra, Zurich, Switzerland | X-treme Games Concert, Gold Coast, Australia |
| X-Tremely Alternative Fest, Blakeslee, PA, USA | X&Y, Borås, Sweden |
| X107.5 FM, Las Vegas, NV, USA | X96 Studios, Salt Lake City, UT, USA |
| Xacobeo Festival, Santiago de Compostela, Spain | Xacobeo Festival, Pontevedra, Spain |
| Xanadu, Sapporo, Japan | Xanadu Theatre, Atlantic City, NJ, USA |
| xanthi, Xánthi, Greece | Xanthi Ground, Xanthátai, Greece |
| Xardíns de Méndez Núñez, Corunna, Spain | Xavier University, Cincinnati, OH, USA |
| Xcape Club, El Paso, TX, USA | Xcel Energy Center, St. Paul, MN, USA |
| Xcess Club, Houston, TX, USA | Xclamation Festival, Modesto, CA, USA |
| Xfinity Live, Philadelphia, PA, USA | XFINITY Performance Theatre, Philadelphia, PA, USA |
| XFM Garage, London, England | XFM Radio Studios, London, England |
| XFM Radio Studios, Manchester, England | XFM Radio Studios, Cardiff, Wales |
| XFM Winter Warmer Festival, London, England | Xi Bar, Vienna, Austria |
| XI20, Vilnius, Lithuania | XIII Club, Moscow, Russia |
| XINIX, Nieuwendijk, Netherlands | XL, Omsk, Russia |
| XL, Gothenburg, Sweden | XL Center, Hartford, CT, USA |
| XL Nightclub, New York, NY, USA | XL's, Birmingham, England |
| Xlib club, Kiev, Ukraine | XLIII LO im. Kazimierza Wielkiego, Warsaw, Poland |
| XLR Club, San Miguel, Argentina | XLR CLUB, Buenos Aires, Argentina |
| XM Live Performance Studio, Washington, DC, USA | XM Radio Session, Washington, DC, USA |
| XM24, Bologna, Italy | XM24 (Ex Mercato), Bologna, Italy |
| Xnoizz Flevo Festival, Bussloo, Netherlands | Xnoizz Flevo Festival, Liempde, Netherlands |
| XO, Wrocław, Poland | Xò Cafe, Turin, Italy |
| XO club, Moscow, Russia | XOYO, London, England |
| XP, Shibuya, Japan | Xplofest, Marion, IL, USA |
| XRT Studios, Chicago, IL, USA | XS, Vienna, Austria |
| XS Encore, Las Vegas, NV, USA | XS Live Club, Rome, Italy |
| XS Nightclub, Las Vegas, NV, USA | Xscape Snowdome, Milton Keynes, England |
| XT3, Prague, Czech Republic | XTC Club, Berlin, Germany |
| Xtra Limmathaus, Zurich, Switzerland | Xtreme Mas Festival, Burgos, Spain |
| Xtreme Wheels, Buffalo, NY, USA | Xurrut, Gorliz, Spain |
| XV SWR Barroselas Metalfest, Viana do Castelo, Portugal | XVI Festival de Morangos, Rosas e Flores, Alfredo Vasconcelos, Brazil |
| XVI Rooftop Lounge, New York, NY, USA | XVIII Mangualde Hardmetal Fest, Mangualde, Portugal |
| xxx, Beardmore /USA/, Antarctica | XXXIII LO im. Mikołaja Kopernika, Warsaw, Poland |
| XXXV Zorska Wiosna Mlodosci, Sohrau, Poland | XYZ, Plymouth, England |
| XYZ Club, Livingston, Scotland | |