The 1923–24 League of Ireland was the 3rd season of senior football in Republic of Ireland. It began on September 8, 1923 and ended on May 13, 1924. Shamrock Rovers was the defending champion. Bohemians was the winner for this season.
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored. (C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished: (Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.