List of Tom Clancy's Rainbow Six Siege downloadable content

There have been 42 seasons in 11 years of Tom Clancy's Rainbow Six Siege in the form of downloadable content. In most of the seasons, the downloadable content has usually fixed a glitch in the game, introduced a new map or a rework of an existing one, and one or two new operators to play. The inaugural season began in February 2016 with Operation Black Ice, and the game is currently in its forty-third season, Operation Split Fire, which is the third season of Year 11. There are currently 27 maps between four game modes, and 78 operators to choose from between attacking and defending.

Initial release (2015–2016) Tom Clancy's Rainbow Six Siege initially launched on 1 December 2015. The base game featured 21 operators (known as the "Pathfinders") and 11 maps. New operator(s)New map(s)NameRoleReal-world affiliationDescriptionRecruitBothNoneRecruit is the default operator that is both an attacker and defender that does not possess a special gadget or ability. All new players automatically unlock Recruit for free. Bank SledgeAttackerSpecial Air ServiceSledge is an attacking operator that possesses a sledgehammer that can break open non-reinforced walls, barricades, and hatches. Bartlett University Thatcher(Pre-rework) Thatcher is an attacking operator that possesses 4 EMP grenades that disables enemy electronic devices within range. Chalet SmokeDefenderSmoke is a defending operator that possesses gas grenades that can be attached to walls or ceilings. When detonated, the grenades create a cloud of chemical gas that damage the health of enemies within the area. However, only one grenade can be detonated at a time. Clubhouse MuteMute is a defending operator who possesses four signal jammers that can completely disable enemy drones and other gadgets if they are placed within the radius of the jammer. This now only works for non-autonomous gadgets, like Thermites hard breach charage. Consulate AshAttackerFBI SWATAsh is an attacking operator who possesses a rocket launcher-style charge that can breach open non-reinforced walls, barricades, and hatches. Hereford Base ThermiteThermite is an attacking operator who possesses 3 hard breach charges that can breach reinforced walls, doors, and hatches. House CastleDefenderCastle is a defending operator who possesses reinforced barricades that can seal doorframes and windows. Kafe Dostoyevsky PulsePulse is a defending operator who possesses a heartbeat detector that can detect enemy heartbeats through walls and floors. Kanal TwitchAttackerGIGNTwitch is an attacking operator who possesses a specialized drone that can shoot and destroy enemy gadgets. Oregon MontagneMontagne is a shielded attacking operator who has the ability to expand his shield to provide full body protection. However, this prevents Montagne from moving. Presidential Plane DocDefenderDoc is a defending operator who possesses a special gun that can shoot medical stimulants to injured teammates, providing them with health regeneration. Doc can also revive down-but-not-out teammates by shooting them as well as self-reviving himself. RookRook is a defending operator who possesses an armor pack that he can place down. All of Rook's teammates can take an armor pack, which provides them with reduced body damage when shot and the ability to self-revive themselves when down-but-not-out. GlazAttackerSpetsnazGlaz is an attacking operator who possesses a marksman rifle used for sniping. His ability includes a special thermal scope on his rifle that allows him to see enemy bodies through smoke. FuzeFuze is an attacking operator who has four "cluster charges" that can shoot explosive bombs through walls, floors, or barricades. KapkanDefenderKapkan is a defending operator who possesses five laser booby trap-style devices that attach to doorframes and window frames. Enemies who walk through the traps lose 60 health. TachankaTachanka is a defending operator with an incendiary grenade launcher, which can be used to deny entry into the bomb site. BlitzAttackerGSG 9Blitz is a shielded attacking operator who has greater mobility than Montagne, but a smaller shield that provides less body coverage. Blitz's ballistic shield can flash and briefly blind enemies. IQIQ is an attacking operator who possesses a small device that can scan for, identify, and locate enemy devices. JӓgerDefenderJӓger is a defending operator who can attach devices to walls and floors that detect and destroy any enemy gadgets thrown within a certain radius. BanditBandit is a defending operator who possesses four "Shock Wires", which are electronic gadgets that can fully electrify reinforced walls and barbed wires.

Year 1 (2016–2017) +SeasonNameRelease dateNew operator(s)New map(s)NameRoleReal-world affiliationDescription1Operation Black Ice2 February 2016 BuckAttackerJoint Task Force 2Buck is an attacking operator that has an under-barrel M26 shotgun. Yacht FrostDefenderFrost is a defending operator who can use a device similar to a bear-trap to incapacitate enemies.2Operation Dust Line10 May 2016 BlackbeardAttackerNavy SEALs(Pre-rework) Blackbeard is an attacking operator that has a mountable see-though shield to his main weapon. He has 2 bulletproof shields on release, but slowly got nerfed into 20 hp.Border ValkyrieDefenderValkyrie is a defending operator that has three omnidirectional cameras that are throwable onto any surface.3Operation Skull Rain2 August 2016 CapitãoAttackerBOPECapitão is an attacking operator that has a tactical crossbow capable of loading asphyxiating bolts, that will burn oxygen within a certain radius, or smoke grenade bolts that create a thick cloud of smoke. Favela CaveiraDefenderCaveira is a defending operator that has an ability known as "Silent Step", allowing her to make less noise when moving as well as interrogate an immobilized enemy for the location of other enemies.4Operation Red Crow17 November 2016 HibanaAttackerSpecial Assault TeamAs an attacking operator, Hibana possesses a weapon that launches up to sixteen pellets shot in either charges of 2, 4, or 6 that attach to and break reinforced walls. Skyscraper EchoDefenderEcho is a defending operator that uses a drone capable of releasing sonic blasts to disorient enemies.

Year 2 (2017–2018) SeasonNameRelease dateNew operator(s)New map(s)NameRoleReal-world affiliationDescription1Operation Velvet Shell7 February 2017 JackalAttackerGEOJackal is a tracker on the attacking team who can reveal the location of enemies by tracking their footprints. Coastline MiraDefenderMira is a defender who can create one-way ejectable bulletproof windows on walls, leaving space for operators to fire through.2Operation Health7 June 2017No new operators or map updates3Operation Blood Orchid5 September 2017 YingAttackerSpecial Duties UnitYing is an attacking operator that utilizes candela cluster charges that can be thrown or attached to a surface to stun enemies, similar to a stun grenade. Theme Park LesionDefenderLesion is a defending operator that uses poison mines that slow and cause damage to an enemy over time when triggered. ElaDefenderGROMEla is a defending operator that possesses proximity concussion mines that can be attached to multiple surfaces to disorient enemies.4Operation White Noise5 December 2017 ZofiaAttackerZofia is an attacker who carries a double-barreled grenade launcher capable of launching explosive or concussion grenades. Tower DokkaebiAttacker707th Special Mission BattalionDokkaebi is an attacker who can hack enemy phones to make them ring, revealing their position. She can also hack the phone of a dead defender to give attackers access to cameras. VigilDefenderVigil is a defender who uses a cloaking device to become invisible to all drones and cameras.

Year 3 (2018–2019) SeasonNameRelease dateNew operator(s)New map(s)NameRoleReal-world affiliationDescription1Operation Chimera6 March 2018 LionAttackerGIGNLion is an attacking operator that uses a UAV to expose moving enemies via sonar temporarily.No map update FinkaAttackerSpetsnazFinka is an attacking operator and uses nanomachines to temporarily increase the health and accuracy of herself and her teammates, as well as reviving any downed teammates. Her ability also increases their heart and breathing rate, thus weakening them by increasing the damage taken by Smoke's toxic gas canisters, increasing the range Pulse's heartbeat scanner can detect them, and hindering their ability to listen for footsteps.2Operation Para Bellum7 June 2018 MaestroDefenderGISMaestro is a defending operator that can install a bulletproof wall-mounted directed-energy turret that he can then operate remotely, damaging enemies with rapid laser fire. When the turret is firing it is no longer bulletproof, and after a certain number of shots, the turret can overheat and has to cool down. Villa AlibiDefenderAlibi is a defending operator who can project inanimate holograms of herself, which expose the location of any enemy that interacts with the hologram with their weapons, body, or drone.3Operation Grim Sky4 September 2018 MaverickAttackerDelta ForceMaverick is an attacking operator who uses a small handheld blowtorch that can create small holes in reinforced walls, opening new lines of sight. Hereford Base ClashDefenderMetropolitan Police Service(Pre-rework) Clash is the first shield-wielding defender. Her shield is similar to Montagne's, with the addition of a device called the "Crowd Control Electro Shield", or "CCE", which emits an electric field that slows and damages attackers.4Operation Wind Bastion4 December 2018 NomadAttackerGIGRNomad, an attacking operator, possesses a weapon attachment called an "AirJab launcher", which launches proximity-triggered air-blast grenades that can stick to surfaces and throw opposing operators to the ground. Fortress KaidDefenderKaid, a defending operator, can throw a gadget called "Electroclaws" that can electrify reinforced surfaces, barbed wire, and deployable shields.

Year 4 (2019–2020)