Norwegian Forest Cat Clubs:

Norway:
Norwegian Forest Cat - the skogkatt

Denmark:
Norsk Skovkattering

Finland:
Finnish Forest Cat Club, SMERRY
NORSKI

Iceland:
Skógarkattaklúbbur Íslands

France:
Club du Chat des Foręts Norvégiennes
Association Internationale de Defense du "Skogkatt"

The Netherlands:
De Noorman
Noorse Boskattenkring 1995, Holland

Italy:
Norsk Skogkatt Ring Italia

Poland:
Klub Miłośników Kotów Norweskich Leśnych
Klub Hodowców Kotów Norweskich Leśnych NFO 2000

Spain:
CEBN. Club Espańol el Bosque de Noruega

United Kingdom:
The Norwegian Forest Cat Club
The Viking Cat Club

Germany:
Intressengemeinschaft Norwegischer Waldkatzen, Tyskland
Hallo Norweger

USA:
Norsk Skogkattring
Norwegian Forest Cat Breed Club
Norwegian Forest Cat Fanciers Association

Databases:

Shaggytail's database with pedigrees for Norwegian Forest Cats (Danish)

Other:

The International NFO Secretary

Norwegian Forest X-Cats, Sweden