Marty Riessen and Margaret Court were the defending champions and successfully defended their title, defeating Frew McMillan and Judy Dalton 6–4, 6–4 in the final.
This was the first edition to feature a tie-break. It was used a sudden-death tie-break in all sets, winning the first to reach 5 points.
Seeds
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
References
External links 1970 US Open – Doubles draws and results at the International Tennis Federation