The 2024 Belgrade Open was a men's tennis tournament played on indoor hard courts.

It was the 2nd edition of the event, and part of the ATP 250 tournaments on the 2024 ATP Tour.

It took place at the Belgrade Arena from 3 November to 9 November 2024.

[1] The tournament was organized as a replacement for the Gijón Open, which had to be relocated due to operational reasons.

[2] The following players received wildcards into the singles main draw: The following player 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: