This is a list of poisonings in chronological order of victim. It also includes confirmed attempted and fictional poisonings. Many of the people listed here committed or attempted to commit suicide by poison; others were poisoned by others.
Olive Thomas (d. 1920), Silent film actress, accidentally ingested a large dose of mercury bichloride
Nestor Lakoba (d. 1936), Abkhaz Communist leader, was poisoned by NKVD chef Lavrenti Beria
Abram Slutsky (d.1938), head of Soviet spy service, poisoned with hydrogen cyanide by NKVD
Nikolai Koltsov (d. 1940), famous Russian biologist, was poisoned by secret police NKVD
Erwin Rommel (d. 1944) German general
Adolf Hitler (d. 1945) cyanide and gunshot simultaneously before capture
Eva Braun (d. 1945) suicide by cyanide capsule at Hitler's side as his wife
The Goebbels children (d. 1945), poisoned by their parents Magda and Joseph Goebbels (who then killed themselves shortly afterwards by poison and gun shots before capture)
Heinrich Himmler (d. 1945), leader of the Nazi Schutzstaffel (SS); suicide by cyanide capsule after being captured
Odilo Globocnik (d. 1945)
Hermann Göring (d.1946), leader of the Nazi Luftwaffe; suicide by cyanide capsule, long after being captured and only hours before his hanging was to take place
Alan Turing (d. 1954), British mathematician — Apparently committed suicide by painting an apple with cyanide and taking a bite.
Clare Boothe Luce (1956) — Fell ill but did not die; arsenic poisoning
Stepan Bandera (d. 1959) poisoned by a cyanide capsule shot from a gun by KGB agents
Georgi Markov (d. 1978), Bulgarian dissident, — Assassinated in London with ricin
Peoples Temple cult-members, perhaps over 900 of them, (1978); killed by cyanide-laced punch at Jonestown.
Love Canal (up to 1978) — Buried toxic waste was covered and used as a building site for housing and school in Niagara Falls, New York, resulting in claims of chronic poisoning and a massive environmental cleanup.
Bhopal Disaster (1984) — An accidental release of poisonous gas from a pesticide plant in India that killed over 2,000 people and injured many more.
Matsumoto incident, June 27, 1994, sarin gas attack carried out by members of the Aum Shinrikyo cult. 7 killed, approximately 200 injured.
Sarin gas attack on the Tokyo subway, March 20, 1995, carried out by members of the Aum Shinrikyo cult. 12 killed, 1034 injured.
Marshall Applewhite (d. 1997); cult suicide
Ibn al-Khattab (d. 2002), a Sunni Jihadi fighter, died from a poisoned letter sent by Russian FSB agency
Alexander Litvinenko (d. 2006), Russian ex-spy and investigator, died three weeks after being poisoned by radioactive polonium-210
Roman Tsepov (d. 2004), Russian businessman poisoned by unspecified radioactive material
Grigori Rasputin, Russian mystic, survived being poisoned with potassium cyanide, as well as being shot, bludgeoned, and being thrown into a frozen river before he finally died by drowning.
Khaled Meshal, Hamas Leader, survived being poisoned by Israeli assassins. The King of Jordan ordered the capture of the assassins, two of which were caught, and an antidote was supplied by Israel for their release.
Nikolay Khokhlov was poisoned by radioactive thallium Germany in 1957 for refusing to work as a KGB assassin
Zhu Ling, Chinese university student poisoned with thallium in 1995. Suspect never charged.
Anna Politkovskaya was poisoned during her flight to Beslan in 2004
Alexander the Great
Barbara Radziwiłł (d. 1551), Queen of Poland
Boudica, Queen of the Iceni and leader of the rebellion against Roman rule in Britain, suicide by poison according to Tacitus; Dio Cassius claims natural illness
Claudius (d. 54), Roman Emperor, by his wife Agrippina the Younger
Germanicus (d. 19), Roman general
Huo Yuanjia (d. 1910), wushu master and Chinese national hero, arsenic
Jamestown colonists — Standard historical accounts claim deaths by starvation, but the possibility of arsenic poisoning by rat poison (or of death by Bubonic plague) has also been reported (see here)
King John of England, with plums
Mithridates VI of Pontus
Napoleon Bonaparte — some claim he was killed by someone on his staff with arsenic. Evidence is inconclusive.
Pope Benedict XI (d. 1304)
Pope Pius VIII (d. 1830)
Ptolemy XIV of Egypt (d. 44 BC), if so, by his sister Cleopatra
Robert Cecil, 1st Earl of Salisbury (d. 1612)
Tycho Brahe (d. 1601), Danish astronomer
Stefan Dusan (d. 1355), Serbian king
John Gallagher Montgomery (d. 1857), U.S. Congressman from Pennsylvania
Maxim Gorky (d. 1936), Russian writer. NKVD chef Genrikh Yagoda admitted at the Trial of the Twenty One that he ordered to poison Gorky and his son.
Robert Johnson (d. 1938), American musician
Raoul Wallenberg (d. presumably in 1947), a Swedish humanitarian, who save tens of thousands of Jews in World War II, was reportedly poisoned in Lubyanka prison by Grigory Mairanovsky
Joseph Stalin (d. 1953) — Officially cerebral hemorrhage; but, according to Vyacheslav Molotov's memoirs and historians Radzinsky and Antonov-Ovseenko, Stalin was poisoned by Lavrenty Beria
Pope John Paul I (d. 1978) (unconfirmed)
Yuri Shchekochikhin (d. 2003), Russian investigative journalist, died presumably from poisoning by radioactive thallium
Yasser Arafat (d. 2004) — Arafat reputedly died from liver cirrhosis, which may be a consequence of chronic alcohol use or poisoning. Some Arafat supporters feel it is unlikely that Arafat habitually used alcohol (forbidden by Islam), and so suspect poisoning. However, it is also important to note that cirrhosis is not necessarily caused by alcohol use, or indeed any poison at all.
Ardeshir Hosseinpour (d. 2007), Iranian nuclear scientist, possibly poisoned/assassinated by Mossad: death by "radioactive poisoning" or "gas poisoning"    (unconfirmed)
Viktor Yushchenko, Ukrainian politician, possibly poisoned with dioxin during the 2004 electoral campaign.
Eric Kinker, Expert hunter, bit by coral snake. Central Florida, 2007.
Dr John Bodkin Adams, British doctor acquitted in 1957 but suspected of killing 163 patients via morphia and barbiturates.
Members of the Aum Shinrikyo cult in Japan in the 1990s often used poisons for murder, including chemical weapons such as VX and Sarin.
Thomas Neill Cream (d. 1892), British serial killer.
Anna Marie Hahn (executed 1938), American serial killer.
Grigory Mairanovsky, who received Soviet PhD degree for testing poisons on political prisoners
Vera Renczi, Romanian serial killer who used arsenic to kill two husbands, a son and thirty-two suitors.
Charles Sobhraj, a serial killer who preyed on Western tourists throughout Southeast Asia during the 1970s.
Michael Swango, American physician and surgeon, who fatally poisoned at least thirty of his patients and colleagues.
Graham Frederick Young (d. 1990), British serial killer.
Harold Shipman (d. 2004), English general practitioner and one of the most prolific known serial killers in modern history
Due to the plot strength of poisoning in crime fiction, this is an inexhaustive list.
Anthony Berkeley: The Poisoned Chocolates Case
Ann Granger: Say It With Poison
Francis Iles: Before the Fact (filmed as Suspicion)
Francis Iles: Malice Aforethought
Agatha Christie: Three Act Tragedy
Agatha Christie: A Pocket Full of Rye
Agatha Christie: Crooked House
Agatha Christie: And Then There Were None
John Dickson Carr: The Burning Court
John Dickson Carr: The Black Spectacles (US title The Problem of the Green Capsule)
Raymond Postgate: Verdict of Twelve
Freeman Wills Crofts: The 12.30 from Croydon
Ann Granger: Say It With Poison
Sir Arthur Conan Doyle: A Study in Scarlet
Sir Arthur Conan Doyle: The Adventure of the Devil's Foot
Dorothy Sayers: The Unpleasantness at the Bellona Club
Dorothy Sayers: Strong Poison
Rex Stout: Fer-de-Lance
Rex Stout: The Red Box
Rex Stout: Black Orchids
Cornell Woolrich: Waltz into Darkness (filmed as Mississippi Mermaid and Original Sin)
Alexandre Dumas, père: The Count of Monte Cristo and The Three Musketeers
Gustave Flaubert: Madame Bovary
Kaori Yuki: Count Cain (GodChild after vol. 5) Protagonist Cain Hargreaves is known as the Count/Earl of Poisons. He has quite a collection of poisons, and frequently solves murder cases, almost all of which involve poisons.
Romeo suicide by poison in Romeo and Juliet
Snow White ate a poisoned apple
Vladimir Harkonnen of Dune
unsuccessful poisoning of Ron Weasley in Harry Potter and the Half-Blood Prince. The intended victim was Albus Dumbledore
David Eddings' Mallorean. The Emperor Zakath of Mallorea is poisoned with thalot, and cured by Adara's Rose, called by Cyradis, the Seeress of Kell, the "universal remedy". In The Elenium, the Primate Annias poisons Queen Ehlana with Darestim, so he can have access to her treasury to fund his campaign of becoming Archprelate. Her champion, Sparhawk, and his companions find the magical jewel Bhelliom to cure her. It is later revealed that Ehlana's father King Aldreas was killed with the same poison, given to him by his sister, with whom he was romantically involved.
Arsenic and Old Lace
The Young Poisoner's Handbook
Jill Tracy- The Fine Art of Poisoning
Joseph Kesselring: Arsenic and Old Lace
Shakespeare: Romeo and Juliet
Hamlet, King Claudius, Gertrude and Laertes, characters in William Shakespeare’s tragedy Hamlet, Prince of Denmark
Imogen, in William Shakespeare’s play Cymbeline
^ Cullen, Pamela V., "A Stranger in Blood: The Case Files on Dr John Bodkin Adams", London, Elliott & Thompson, 2006, ISBN 1-904027-19-9
List of people by cause of death – List of unusual deaths