[2] As part of the opening weekend of fixtures, a special fixture between arch-rivals Bohemians and Shamrock Rovers has been arranged at the Aviva Stadium, the national stadium of Republic of Ireland.
[3] The 2025 season became the first year that the league is entirely made up of full-time professional clubs and players.
[4] On 27 January 2025, it was announced that Virgin Media Television (Ireland) would become the "sole and exclusive free to air broadcaster of the SSE Airtricity Men’s Premier Division" for the next four years, pledging to show one live game from each round of the division.
[6] They replaced Dundalk, who were relegated after 16 consecutive seasons in the top flight.
[7] Note: Flags indicate national team as has been defined under FIFA eligibility rules.