The 2023 Adelaide International 1 was a tennis tournament on the 2023 ATP Tour and 2023 WTA Tour.

It was a combined ATP Tour 250[1] and WTA 500 tournament[2] played on outdoor hard courts in Adelaide, South Australia, Australia.

The tournament took place at the Memorial Drive Tennis Centre from 1–8 January 2023 and was followed a week later by the 2023 Adelaide International 2, a combined ATP Tour 250 and WTA 500 tournament, at the same venue.

The qualifying rounds were held on 31 December 2022.

*per team *per team † Rankings are as of 26 December 2022 The following players received wildcards into the singles main draw: The following player received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: † Rankings are as of 26 December 2022 The following pairs received wildcards into the doubles main draw: The following pairs received entry as alternates: † Rankings are as of 26 December 2022[3] The following players received wildcard entry into the singles main draw: The following players received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: † Rankings are as of 26 December 2022 The following pair received a wildcard into the doubles main draw: