The 2019 Hungarian Open was a men's tennis tournament to be played on outdoor clay courts.

It was the 3rd edition of the event, and part of the ATP Tour 250 series of the 2019 ATP Tour.

It took place at Sport 11 in Budapest, Hungary, from April 22–28.

[1] The following players received wildcards into the singles main draw: 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 pairs received entry as alternates: