Sports listings begining with 'X'
- X ISLE - SOUTHEND-ON-SEA
- X S MUSCLE - LONDON
- X SPORT LTD - LEICESTER
- X SYSTEM - MAIDENHEAD
- Xarifa Octopush Club -
- Xavarian Club - Merseyside
- Xaverian Club -
- Xcalibre - Worthing
- Xen-Do Martial Arts - Camden Town
- Xerox - Iver
- Xerox - Welwyn Garden City
- Xlnc - Basingstoke
- Xpress - Stamford
- X-Pulse -
- Xs 2 - Dartford
- Xs I - Dartford
- X-SPORT - CHELTENHAM
- XTRAC LTD - WOKINGHAM
- XTREME - POOLE
- XTREME - KETTERING
- Xtreme - Poole
- Xtreme Cycles - Poole
- XTREME SPORTSWEAR - NEATH