The Norwegian International Championships, sometimes referred to as the Oslo International Championships, was an international tennis tournament held from the 1920s to 1964.

The Norwegian International Championships was originally a national event, bit it became international in the 1920s.

Among the overseas winners were Feodor Hartz, Eric Sturgess, Budge Patty, Neale Fraser, Raymundo Deyro, Malcolm Fox, Rod Laver and Jan-Erik Lundqvist.

The event declined in the 1960s.