Note: this list of people who died are in order of who died from first death to the most recent. The names highlighted in orange are uncertain.
Before the Series
Jon Arryn dies suddenly right before the start of the series. While we never actually meet his character alive, he is very important to the history of Ned Stark and Robert Baratheon. His death is the starting point of the series of events that unfold during the show.
Season One
Waymar Royce is cut down by a White Walker outside the wall. S1,E1
Gared is decapitated by a White Walker. S1,E1
Will is beheaded by Ned Stark for desertion. S1,E1
Mycah is hunted down by Sandor Clegane, later brought back to the Crossroads Inn, dead. S1,E2
Lady is stabbed at Castle Darry by Ned Stark as ordered by Robert Baratheon. S1,E2
Hugh of the Vale takes a lance through his throat in a jousting competition by Gregor Clegane. S1,E4
Willis Wode and Kurleket are killed by the Northern tribes while protecting Catelyn Stark. S1,E5
Jory Cassel faces Jaime Lannister in a fight and takes a dagger deep through the eye. S1,E5
Wallen gets his throat slashed by Robb Stark. S1,E6
Stiv is shot with an arrow by Theon Greyjoy. S1,E6
Vardis Egen is killed by Bronn in a trial by combat, then his body is kicked through the moon door. S1,E6
Viserys Targaryen demands that Khal Drogo deliver him a golden crown. Drogo obliges by melting down some large gold medallions and then dumping the molten gold on top of Viserys' head, burning his skull instantly. S1,E6
Benjen Stark goes beyond the wall with a scouting party. His horse returns to the wall, but he was nowhere to be found. He is still missing and presumed dead. S1,E7
Robert Baratheon goes out hunting while drunk and is mortally wounded by a boar. He returns to King's Landing and dies of his wounds. S1,E7
Varly and his men are massacred by Janos Slynt and the Goldcloaks in an act of betrayal against Ned Stark. S1,E7
Syrio Forel takes out several Kings Guard with a wooden sword in order to allow Arya to escape. When facing off against Meryn Trant, Arya hears a struggle, but we never see if Syrio is killed or not, but Trant is still alive after the fight. S1,E8
Septa Mordane faces the Lannister men trying to capture Sansa. Her head is later seen on a spike. S1,E8
Mago is stabbed with his own blade, then gets his tongue ripped out by Khal Drogo after attempting to kill Daenerys. S1,E8
Haggo and Cohollo are killed by their fellow Dothraki riders while attempting to aid Qotho in stopping Mirri Maz Duur. S1,E9
Qotho is slain by Jorah Mormont after breaking into the tent and attempting to kill Mirri Maz Duur. S1,E9
Ned Stark is beheaded by Ilyn Payne as ordered by King Joffrey. S1,E9
Khal Drogo receives a wound on his chest. Daenerys allows Mirri Maz Duur to treat the wound. Instead she places a curse upon Drogo, causing the wound to become severely infected. Mirri Maz Duur then performs a ritual to return Drogo to life, but he is left as a brain-dead vegetable. Daenerys brings herself to smother him. S1,E10
Mirri Maz Duur is burned alive at the stake in Khal Drogo's funeral pyre as punishment for hexing him and killing Daenerys' unborn child. S1,E10
Old Nan passes away off-screen. This is according to the writers of the show. Between S1 & 2
Season Two
Maester Cressen slips poison in his wine, drinks it, and lets Melisandre drink from the cup in an attempt to kill her. The poison kills Cressen, but has no effect on Melisandre. S2,E1
Rakharo is sent by Dany to do some recon. Only Rakharo's horse returns, with his head in one of the saddle bags and his braid cut off. S2,E2
Aggo is sent by Dany to do some recon. He has never returned. He is presumed dead. S2,E2
Yoren is shot with a crossbow and stabbed in the back of the neck by Amory Lorch. S2,E3
Lommy Greenhands is stabbed through the throat with Needle by Polliver. While searching for Gendry, Arya tricks the soldiers into thinking he killed him. S2,E3
Rennick is mauled by Grey Wind while taking a piss just as the attack on Oxcross began. S2,E4
Daisy is bludgeoned on the Kings bed with a wooden scepter by Ros as demanded by King Joffrey. S2,E4
Renly Baratheon is stabbed through the heart by Stannis' "son", a spirit born from Melisandre. S2,E5
Tickler has his neck broken by Jaqen H'ghar as requested by Arya Stark. S2,E5
Rodrik Cassel spits in Theon's face for betraying the Starks. Dagmer convinces Theon to execute Rodrik and so Theon beheads him. S2,E6
The First High Septon is ripped apart by the rioters in Kings Landing. S2,E6
Amory Lorch is struck with a poisoned dart by Jaqen H'ghar at Arya's urgent request. S2,E6
Drennan gets seduced by Osha, only to get his throat slit by her during an escape. S2,E6
Irri is strangled by Doreah during a plot to steal Daenerys's dragons. S2,E6
Alton Lannister was beaten to death by Jamie Lannister to cover his botched escape. S2,E7
Torhenn Karstark is strangled by Jaime Lannister with the chains from his restraints in an effort to escape. S2,E7
The Spice King and his cohorts are assassinated by Pyat Pree as part of a coup to take over leadership of Qarth. S2,E7
Matthos Seaworth is killed when the ship full of Wildfire explodes. He is completely engulfed in the initial explosion. S2,E9
Mandon Moore gets a spear shoved through the back of his head by Podrick Payne after he attempted to kill Tyrion. S2,E9
Maester Luwin is stabbed in the stomach with a spear by Dagmer Cleftjaw. He survives but is left mortally wounded. He asks Osha to end his life. S2,E10
Pyat Pree is burned alive by Daenerys's dragons. S2,E10
Qhorin Halfhand starts a fight with Jon Snow in front of their captors and then throws the fight and allows Jon to kill him in the hopes that Jon could get close to Mance Rayder. S2,E10
Xaro Xhoan Daxos and Doreah are locked in Xaros vault by Daenerys and Jorah. S2,E10
Dagmer Cleftjaw, Black Lorren, Gelmarr, Stygg, and the rest of the Ironborn that accompanied Theon to Winterfell are flayed and murdered off-screen by Ramsay Snow. Between S2 & 3
Season Three
Hoster Tully dies off-screen of an illness. Though this character was not on the show, we see his funeral take place. It was the floating pyre barge Blackfish lit up with a flaming arrow. S3,E2
Skinner and his men are shot down with arrows by Ramsay Snow, who later framed Theon for their death. S3,E3
Craster is stabbed in the chin by Karl Tanner. S3,E4
Jeor Mormont is stabbed in the back by Rast. S3,E4
Greizhen mo Ullhor is cut down by the Unsullied along with other masters and slavers at the command of Daenerys. S3,E4
Kraznys mo Nakloz is torched by Drogon at Daenerys's command. S3,E4
Martyn Lannister and Willem Lannister are murdered by Rickard Karstark as payback for the death of his sons. S3,E5
Rickard Karstark is beheaded by Robb Stark as punishment for going behind his back and killing the Lannister boys. S3,E5
Ros is given to Joffrey by Littlefinger in order to be tortured and killed, Joffrey tests his crossbow out on her. S3,E6
Mero and Prendahl na Ghezn are beheaded by Daario Naharis after plotting against Daenerys. Their heads are brought to Daenerys as an offering. S3,E8
Orell is stabbed in the chest by Jon Snow, but wargs into his hawk before he dies. S3,E9
Wendel Manderly is shot with crossbows along with other soldiers by the Frey soldiers at the Red Wedding. S3,E9
Talisa Maegyr is stabbed repeatedly in the stomach by Lothar Frey. S3,E9
Grey Wind is shot down with crossbows by Walder Frey's soldiers. We later see his head placed cruelly on Robb's headless body. S3,E9
Robb Stark is shot by arrows and then stabbed in the heart by Roose Bolton. His head is later removed and replaced with Grey Winds. S3,E9
Joyeuse Erenford has her throat slit by Caitlin Stark as a reaction to Robb's death. S3,E9
Catelyn Stark has her throat slit by Black Walder Rivers shortly after killing Lady Joyeuse. S3,E9
Season Four
Lowell gets both eyes stabbed in by Sandor Clegane. S4,E1
Polliver has Needle impaled slowly through his neck by Arya Stark, but not before realizing who she was. S4,E1
Tansy is hunted by Ramsay Snow in the woods and is ripped apart by Ramsay's hunting dogs. S4,E2
Axell Florent is burned alive along with others by Melisandre as part of her offering to her God. S4,E2
Joffrey Baratheon is poisoned at his wedding to Margaery Tyrell. We learn later that Littlefinger and Olenna Tyrell had a hand in Joffrey's death. S4,E2
Dontos Hollard is shot with a crossbow on the orders of Littlefinger. S4,E3
Oznak zo Pahl is decapitated outside Meereen by Daario Naharis after falling from his dead horse. S4,E3
Locke has his neck broken by Hodor, while Bran was controlling Hodor's mind. S4,E5
Karl Tanner is stabbed through the back of the head by Jon Snow. S4,E5
Rast is mauled by Ghost. S4,E5
Biter has his neck broken by Sandor Clegane. S4,E7
Rorge is stabbed through the heart by Arya Stark after telling her his name. S4,E7
Lysa Arryn is pushed through the moon door by Littlefinger and plummets to her death. S4,E7
Kegs, Black Jack Bulwer, and Mully are slaughtered in Mole's Town along with other civilians by the Wildlings and Thenns. S4,E8
Ralf Kenning takes an axe to his head by Adrack Humble after spitting upon Ramsay's terms. S4,E8
Adrack Humble and his men are flayed by Ramsay Snow and his men after being tricked by "Reek" into letting them enter Moat Cailan. S4,E8
Oberyn Martell has his head crushed by The Mountain during the trial by combat. S4,E8
Gregor Clegane dies from the poisoned wounds inflicted by Oberyn Martell, but not before killing him first. In Season Five, his cadaver is revived, but he is never the same again. S4,E9
Pypar gets an arrow through the neck courtesy of Ygritte. S4,E9
Dongo is shot with a bolt from a Night's Watch ballista on top of the Wall. S4,E9
Styr gets a hammer embedded in his skull by Jon Snow. S4,E9
Ygritte is shot through the back with an arrow by Olly. S4,E9
Mag the Mighty is slain by Grenn and 5 other watchmen shortly after breaching the tunnel, but not before mortally wounding them in turn. S4,E9
Grenn and 5 other Night's Watchmen are killed by Mag the Mighty, but not before mortally wounding him in turn. S4,E9
Jojen Reed is stabbed several times in the stomach by a wight. His sister Meera cuts his throat to save him more pain. S4,E10
Sandor "the Hound" Clegane falls off a small cliff after losing a fight to Brienne of Tarth. Arya leaves him to die. S4,E10
Shae is being strangled by Tyrion with a necklace, she shoves him off the bed but he yanks the chain as he falls and crushes her trachea. S4,E10
Tywin Lannister is shot in the stomach and the heart in his privy with a crossbow by Tyrion Lannister. S4,E10
Season Five
White Rat has his throat cut open in a brothel by a member of the Harpy. The killer leaves his mask for the unsullied to find. S5,E1
Mance Rayder was set to burn at the stake by orders of Stannis Baratheon. Jon Snow fires an arrow at him as an act of mercy. S5,E1
Mossador is beheaded by Daario Naharis by Daenerys's orders as punishment for murdering a prisoner. S5,E2
Janos Slynt is beheaded by Jon Snow for insubordination. S5,E3
Barristan Selmy is mortally wounded in the onslaught against the Sons of the Harpy, but not before cutting down a multitude of them. S5,E4
Ghita drinks from the fountain at the house of Black and White to heal her pain. Her cadaver is later seen on a pedestal being cleaned by Arya Stark. Later in the show, her face is part of the faceless men in the House of Black and White. S5,E6
Maester Aemon is stricken with old age and fades away. S5,E7
Rattleshirt is bludgeoned to death with his own wooden staff by Tormund Giantsbane. S5,E8
Loboda is pierced with a spear by a White Walker. S5,E8
Karsi is swarmed and tore apart by Wight children. She later reanimates as a Wight. S5,E8
Shireen Baratheon is tied to the pyre and sacrificed by Melisandre as a royal blood offering. S5,E9
Hizdahr zo Loraq is stabbed repeatedly by a few Harpies during the attack at the Fighting Pits. S5,E9
Selyse Baratheon hangs herself in the forest outside Stannis's camp. S5,E10
Gordy and Simpson are cut down in the battle aftermath by a wounded Stannis Baratheon. S5,E10
Stannis Baratheon is wounded in battle outside Winterfell, only to be executed by Brienne of Tarth. S5,E10
Myranda is thrown from the ramparts to her death by Theon Greyjoy after attempting to kill Sansa. S5,E10
Meryn Trant is stabbed in both eyes, stabbed multiple times in the torso, and gets his throat slit by Arya Stark. S5,E10
The Kindly Man poisons himself in front of Arya and the Waif as penance for Arya's actions. S5,E10
Myrcella Baratheon is poisoned with a kiss from Ellaria Sand. S5,E10
Jon Snow is stabbed in a mutiny by Alliser Thorne, Olly, Bowen Marsh, Othell Yarwyck, and a multitude of Rangers. There are rumors of a possible resurrection and a recent promotional poster for Season 6 revealing Jon Snow, seemingly alive. But this won't be confirmed, likely until we see a trailer for next season. S5,E10
Season Six