The 2025 ATP Hong Kong Tennis Open (also known as the Bank of China Hong Kong Tennis Open for sponsorship reasons) is a men's tennis tournament to be played on outdoor hard courts.

It will be the 29th edition of the ATP Hong Kong Open, and part of the ATP 250 tournaments on the 2025 ATP Tour.

It will take place at the Victoria Park Tennis Stadium in Hong Kong, from 30 December 2024 to 5 January 2025.

[1] The following players received wildcards into the singles main draw: The following player received entry under the ATP Next Gen programme for players aged under 20 and ranked in the top 350: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: The following pair received entry into the doubles main draw as alternates: