The 2024 Swiss Open Gstaad (also known as the EFG Swiss Open Gstaad for sponsorship reasons) was a men's tennis tournament played on outdoor clay courts.

It was the 56th edition of the Swiss Open, and part of the ATP Tour 250 Series of the 2024 ATP Tour.

It took place at the Roy Emerson Arena in Gstaad, Switzerland, from 15 through 21 July 2024.

[1] The following players received wildcards into the main draw: The following player received entry as an emergency substitution: 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: