ON - Multiple Birth Families Association of Ottawa  
   One of the largest multiple births associations in the country, and the largest chapter member of Multiple Births Canada. The geographical regions served includes Eastern Ontario and Western Quebec.
   http://www.mbfa.ca

BC - North Shore Mothers of Multiples  
   A non-profit support group for parents of twins (or more) in the North and West Vancouver area. Club events, information, local community activities and resources, links to useful sites.
   http://groups.msn.com/nsmultiplemoms

ON - Toronto Parents of Multiple Births Association  
   TPOMBA provides support, resources and encouragement to all families of twins and multiples.
   http://www.tpomba.org/

ON - Triplets Quads and Quints Association  
   A non-profit Canadian organization based in Toronto that provides a network for parents of triplets, quadruplets and quintuplets to share information, experiences and advice.
   http://www.tqq.com