The 2020 Argentina Open was a men's tennis tournament played on outdoor clay courts.

It was the 23rd edition of the ATP Buenos Aires event, and part of the ATP Tour 250 series of the 2020 ATP Tour.

It took place in Buenos Aires, Argentina, from February 10 through 16, 2020.

[1] The following players received wildcards into the singles main draw: The following player received entry as a special exempt: The following players received entry from the qualifying draw: The following players received entry as lucky losers: The following pairs received wildcards into the doubles main draw: The following pair received entry as alternates: