BayXP  
   The San Francisco Bay Area XP Users Group.
   http://www.jera.com/bayxp/

Irish XP SIG  
   Home discussion list for the Irish XP SIG.
   http://groups.yahoo.com/group/xpsig/

Toronto XP Users Group  
   Discussion on XP in the Toronto, Canada area.
   http://www.xptoronto.com/

XP Denver  
   Serves the Denver/Boulder XP and Agile Software Development communities.
   http://www.xpdenver.org

XP Austin, TX  
   Yahoo! Groups site for a group of people in Austin, TX, who discuss and practice Extreme Programming.
   http://groups.yahoo.com/group/xp-austin/

XP Melbourne, Australia  
   A venue for XP enthusiasts in Melbourne, Australia to meet and share experiences and strategies related to agile methods, including XP
   http://groups.yahoo.com/group/melbourne_XP_enthusiasts/

XP Montreal  
   Discussion group for XP users in Montreal.
   http://groups.yahoo.com/group/xpmontreal/

Calgary Agile Methods User Group (CAMUG)  
   CAMUG provides a focal point for the use of agile methods in software development organizations in Calgary.
   http://can.cpsc.ucalgary.ca/camug/

SPA-NW  
   A group specifically devoted to round-table discussion of agile software development practices and processes. Group serving the UK's northwest.
   http://bcs-oops.org.uk/cgi-bin/view/SPA/SpaNw