2015–16 season play-off for the 2015–16 Hong Kong football season is the 4th season of the tournament.
The play-off semi-finals are played in one match each, contested by the teams who finished in 2nd place in the Premier League table, the winners of the Senior Challenge Shield, the champions of the FA Cup and the champions of the League Cup. The winners of the semi-finals go through to the final, with the winner of the final gaining participation for the 2017 AFC Champions League qualifying play-off.
As Eastern won the Senior Shield and Kitchee won the League Cup, as well as coming in 2nd place in the Premier League, teams therefore finishing in 3rd and 4th place in the Hong Kong Premier League entered.
Source: Hong Kong Football Association Rules for classification: 1) Points; 2) Head-to-head points; 3) Head-to-head goal difference; 4) Head-to-head goals scored; 5) Goal difference; 6) Goals scored; 7) Fair-play points; 8) Drawing lots (Play-off if the winner has to be decided) Notes:
^Since the winners of the Senior Shield, Eastern, and the winners of the League Cup, Kitchee, qualified for AFC competitions and the Season Play-off respectively based on league position, the spots awarded to the Senior Shield winner and the League Cup winner for the Season Play-off were awarded to the third and fourth placed team in the league. Pegasus qualified as winners of the FA Cup.