The 2021 Hungarian Grand Prix was a women's tennis tournament played on outdoor clay courts. It was the 19th edition of the Budapest Grand Prix, a 250-level tournament on the 2021 WTA Tour. It took place at Római Tennis Academy in Budapest, Hungary, from 12 July through 18 July 2021. First-seeded Yulia Putintseva won the singles title.
The following players received wildcards into the main draw:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
The following pairs received wildcards into the doubles main draw: