The 2023 Astana Open was a professional men's tennis tournament to be held on indoor hard courts.

It was the fourth edition of the Astana Open and part of the ATP Tour 250 Series of the 2023 ATP Tour (downgraded from ATP Tour 500 status in 2022).

[1] The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: