This season was the last as a 12-team competition, with expansion to 13 teams from 2024–25 with the inclusion of Auckland FC.

The following do not fill a Visa position: 1Those players who were born and started their professional career abroad but have since gained Australian citizenship (or New Zealand citizenship, in the case of Wellington Phoenix);[64] 2Australian citizens (or New Zealand citizens, in the case of Wellington Phoenix) who have chosen to represent another national team; 3Injury replacement players, or National team replacement players; 4Guest players (eligible to play a maximum of fourteen games)

The finals series was held in mostly the same format as the previous year, run over four weeks, involving the top six teams from the regular season.

In the first week of fixtures, the third-through-sixth ranked teams will each play an elimination match, with the two winners of those matches joining the first and second ranked teams in two-legged semi-final ties.

Sydney FC drew the highest average home attendance in the 2023-24 edition of the A-League.