The 1946 Great Britain Lions tour was a tour by the Great Britain national rugby league team of Australia and New Zealand which took place between April and August 1946. The tour involved a schedule of 27 games: 20 in Australia including a three-test series against Australia for the Ashes, and a further 7 in New Zealand including one test match against New Zealand. The tour was the first major sporting series played abroad by a British side in any sport after the Second World War.