Dissidia Final Fantasy NT is a fighting game with action role-playing elements developed by Koei Tecmo's Team Ninja and published by Square Enix for PlayStation 4 and Windows.

The game is a follow-up to Dissidia Final Fantasy and Dissidia 012, released for PlayStation Portable, and similarly allows players to battle one another using many characters from the Final Fantasy series.

The game is a console port of the 2015 Japanese arcade game Dissidia Final Fantasy, and was released worldwide in January 2018. The Windows version released worldwide on March 12, 2019 is called Dissidia Final Fantasy NT Free Edition.

Dissidia Final Fantasy NT's battle system was redesigned from the ground up, though some elements from the previous titles have been retained. Characters are divided into four combat classes: power-based Vanguards, agility-based Assassins, range-based Marksmen, and unique trait-based Specialists. Characters can perform Brave attacks, which increase the player's Bravery level based on the amount of damage done. If an opponent is attacked while their Bravery is at zero, a Bravery Break will be triggered, giving the player a substantial Bravery boost. Players can also perform HP attacks that will do direct damage to an opponent based on their current Bravery level. Using HP attacks will reset the player's Bravery back to zero, forcing them to perform more Brave attacks before they can directly attack their opponent again. The previous games' EX Mode has been tweaked, with players able to equip one HP attack and two EX Skills per character in battle.

Unlike past Dissidia titles, NT places a focus on three-on-three combat, with players actively controlling one character while the in-game AI controls the other two. Each character has its own HP meter, along with a Party HP meter, Stamina meter, and Summon meter for the whole team. When a character is defeated, a segment will be removed from their team's Party HP meter; when the meter is depleted, the team loses the battle. Energy from the Stamina meter is expended when the player performs a dash or dodge to limit overuse; the meter will quickly recharge if the player remains on the ground for a short time. Players can use their shield or dodge to defend themselves, though the shield will deteriorate over time. Players can also fill their Summon gauge by attacking foes or destroying Summoning Crystals. By filling their team's Summon gauge, players can perform summons to call one of seven creatures such as Ifrit or Bahamut to attack their enemies, as well as grant passive buffs to the player's team.

In addition to Standard Battles, NT features a second battle type in the form of Core Battles. These involve each team being given a large crystal to protect, which their opponent must attempt to destroy; the team whose crystal is destroyed first loses the battle. The game features several types of single-player arcade ladders, in which a player's team must defeat a series of increasingly-difficult AI opponents. These will sometimes conclude with a Bonus Battle, in which the player's team must defeat one of the game's seven Summons in a battle for additional points. The game also supports online multiplayer battles, with players able to form teams of three to battle opposing teams.

By participating in online and offline battles, players will earn experience points to increase their Player Level and individual character levels. As characters level up, they will receive rewards such as new HP attacks. Increasing the Player Level will grant additional rewards such as new EX Skills, Summons, and Memoria Tokens, the latter of which must be acquired to progress in the game's Story Mode.

Set long after the events of the previous two Dissidia titles, but before the arcade version, the dimension of World B is revitalized for a conflict between Materia, the goddess of protection, and Spiritus, the god of destruction, who respectively summon the warriors of Cosmos and Chaos as their champions. Unlike their prior involvements, the summoned warriors retain their memories of both the previous war and their original worlds, which are used to expand World B, while the mystical energy created from their battles maintains it.