NK Posusje is a Bosnian football club based in Posusje. They currently feature in the Premier League of Bosnia and Herzegovina.
NK Posusje were established in 1950 as NK Zidar and altered their name to NK Boksit in 1963. They assumed their current name in the 1990s.
NK Posusje play their home matches at the Mokri Dolac Stadium that can accommodate 8000 spectators.