| Norwegian International Championships | |
| Type: | Defunct |
| Tour: | ILTF Circuit (1925-1964) |
| Location: | Oslo |
| Venue: | Various |
| Men's Singles: |  Jan-Erik Lundqvist |
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.
| Year | Champion | Runner-up | Score |
|---|---|---|---|
| 1925[1] |  Willard Botsford | Hans Moldenhauer | 4-6, 6-3, 6-3, 6-2 |
| 1930[2] | Feodor Hartz |  Rolf Christoffersen | |
| 1931[3] | Feodor Hartz | Torleif Torkildsen | 2-6, 6-2, 6-2, 6-4 |
| 1932[4] | Feodor Hartz | Ragnar Hagen | 6-4, 4-6, 7-5, 6-4 |
| 1933[5] | Johan Haanes | Harry Schwenker | 5-7, 6-2, 5-7, 6-3, 6-0 |
| 1940-46 | No competition | ||
| 1947[6] | Johan Haanes | Sverre Lie | 6-0, 6-3, 6-1 |
| 1948[7] | Eric Sturgess | Johan Haanes | 6-3, 6-1, 6-0 |
| 1950[8] | Eric Sturgess |  Jaroslav Drobný | 2-6, 6-4, 6-4, 4-6, 6-4 |
| 1951[9] | Eric Sturgess |  Fausto Gardini | 4-6, 6-4, 5-7, 8-6, 6-3 |
| 1952[10] | Eric Sturgess |  Philippe Chatrier | 6-1, 6-3, 6-3 |
| 1953[11] | Raymundo Deyro | Felicisimo Ampon | 2-6, 6-3, 3-6, 6-2, 8-6 |
| 1954[12] |  Neale Fraser |  Armando Vieira | 4-6, 5-7, 6-3, 6-4, 6-2 |
| 1955[13] | Finn Søhol | Jan Staubo | 5-7, 6-1, 3-6, 6-2, 7-5 |
| 1956[14] |  Malcolm Fox | Jack Arkinstall | 2-6, 6-3, 6-3, 0-6, 6-1 |
| 1957 | Not held | ||
| 1958[15] | Budge Patty | 6-3, 2-6, 1-6, 17-15, 6-4 | |
| 1959[16] | John W. Frost | 6-3, 6-1, 7-5 | |
| 1960[17] |  Bill Alvarez | Barry Phillips-Moore | 6-3, 7-5, 6-3 |
| 1961[18] | Warren Woodcock | Jørgen Ulrich | 7-5, 10-8, 4-6, 7-5 |
| 1962[19] | Rod Laver | Jan-Erik Lundqvist | 6-1, 4-6, 6-4, 6-3 |
| 1963[20] | Jan-Erik Lundqvist | Warren Woodcock | 6-4, 0-6, 6-2, 6-4 |
| 1964[21] | Jan-Erik Lundqvist |  Eduardo Zuleta | 6-2, 6-4, 6-2 |