The 2019 Delray Beach Open was a professional men's tennis tournament played on hard courts. It was the 27th edition of the tournament, and part of the ATP Tour 250 category of the 2019 ATP Tour. It took place in Delray Beach, Florida, United States between February 18 and February 24, 2019. Unseeded Radu Albot won the singles title.
The following players received wildcards into the main draw:
The following player received entry as a special exempt:
The following player received entry as an alternate:
The following players received entry from the qualifying draw:
The following pairs received wildcards into the main draw: