1970 Stockholm Open

{{TennisEventInfo|1970|Stockholm Open|

| date=1–7 November

| edition=2nd

| category=Grand Prix tennis circuit

| draw=32S/16D

| surface=Hard / Indoor

| location=Stockholm, Sweden

| venue=Kungliga tennishallen{{cite web |title=Stockholm: where tennis royalty has found regular success |url=https://www.atptour.com/en/news/tournament-heritage-stockholm |date=19 October 2020 |publisher=Association of Tennis Professionals (ATP)}}

| champs={{flagicon|USA}} Stan Smith{{Cite web|url=http://www.atpworldtour.com/en/scores/archive/stockholm/429/1970/draws?matchType=singles|title=1970 Stockholm Open – Singles draw|publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|USA}} Arthur Ashe / {{flagicon|USA}} Stan Smith{{Cite web|url=http://www.atpworldtour.com/en/scores/archive/stockholm/429/1970/draws?matchType=doubles|title=1970 Stockholm Open – Doubles draw|publisher=Association of Tennis Professionals (ATP)}}

}}

The 1970 Stockholm Open was a men's tennis tournament played on indoor hard courts at Kungliga tennishallen in Stockholm, Sweden. The tournament was held from 1 November through 7 November 1970 and was a part of the 1970 Pepsi-Cola Grand Prix. Stan Smith defeated Arthur Ashe to win the singles title.