The 1970 Queen's Club Championships, also known by its sponsored name Rothmans Open London Grass Court Championships, was a combined men's and women's tennis tournament played on grass courts at the Queen's Club in London in the United Kingdom. It was a non-tour event, i.e. not part of the 1970 Pepsi-Cola Grand Prix or 1970 World Championship Tennis circuit . It was the 71st edition of the tournament and was held from 15 June through 20 June 1970. First-seeded Rod Laver and Margaret Court won the singles titles.[3][4] In the final Court was 2–6, 0–5 and 0–15 down against Winnie Shaw but recovered by winning 14 of the last 17 games.[5][4]