1970 Monte Carlo Open#Doubles

{{TennisEventInfo|1970|Monte Carlo Open|

| date= 13 – 19 April

| edition=64th

| category=Independent tour

| prize_money=

| draw=32S/16D

| surface=Clay / outdoor

| location=Roquebrune-Cap-Martin, France

| venue=Monte Carlo Country Club

| champms={{flagicon|YUG}} Željko Franulović{{cite web|title=1970 Monte Carlo Men's Singles draw|url=http://www.atpworldtour.com/en/scores/archive/monte-carlo/410/1970/draws?matchType=singles|website=www.atpworldtour.com|publisher=Association of Tennis Professionals (ATP)}}

| champws={{flagicon|FRG}} Helga Niessen

| champmd={{flagicon|USA}} Marty Riessen / {{flagicon|GBR}} Roger Taylor{{cite web|title=ATP – 1970 Monte Carlo Men's Doubles draw|url=http://www.atpworldtour.com/Share/Event-Draws.aspx?Year=1970&EventId=410&Draw=md|publisher=ATP}}

| champwd={{flagicon|FRA}} Gail Chanfreau / {{flagicon|FRA}} Françoise Dürr

}}

The 1970 Monte Carlo Open was a combined men's and women's tennis tournament played on outdoor clay courts at the Monte Carlo Country Club in Roquebrune-Cap-Martin, France. The tournament was independent, i.e. not part of the 1970 Pepsi-Cola Grand Prix or 1970 World Championship Tennis circuit. It was the 64th edition of the event and was held from 13 April through 19 April 1970. Željko Franulović and Helga Niessen won the singles titles.{{cite book|title=World of Tennis '71 : a BP yearbook|year=1971|publisher=Queen Anne Press|location=London|isbn=978-0-362-00091-7|editor=John Barrett|editor-link=John Barrett (tennis)|pages=287, 288}}