The 1970 Queen's Club Championships was a 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 June 15 through June 20, 1970. Rod Laver won the singles title.
Rod Laver defeated John Newcombe 6–4, 6–3
- It was Laver's 3rd title of the year and the 15th of his professional career.
Tom Okker / Marty Riessen defeated Arthur Ashe / Charlie Pasarell 6–4, 6–4
- It was Okker's 1st title of the year and the 10th of his career. It was Riessen's 2nd title of the year and the 7th of his career.