The 1970 Paris Open Indoor Championships was a men's Grand Prix tennis tournament played on indoor carpet courts. It was the 3rd edition of the Paris Open (later known as the Paris Masters). It took place at the Palais omnisports de Paris-Bercy in Paris, France and ran from November 9 through November 15, 1970.
The singles event was won by Arthur Ashe.
Arthur Ashe defeated Marty Riessen 7–6, 6–4, 6–3
- It was Ashe's 5th title of the year and the 7th of his career.
Pancho Gonzales / Ken Rosewall defeated Tom Okker / Marty Riessen 6–4, 7–6, 7–6