Icelandic title
- Myrkraverk á Styles-setri / Hús leyndardómanna
- The Mysterious Affair at Styles (1920)
- Með kveðju frá herra Brown
- The Secret Adversary (1922)
- Opna gröfin
- The Murder on the Links (1923)
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- The Man in the Brown Suit (1924)
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- Poirot Investigates (1924)
- Leyndarmál Chimney hallar
- The Secret of Chimneys (1925)
- Morðið á Roger Ackroyd / Poirot og læknirinn / ... og ekkert nema sannleikann
- The Murder of Roger Ackroyd (1926)
- Fjórir stórir
- The Big Four (1927)
- Bláa lestin
- The Mystery of the Blue Train (1928)
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- The Seven Dials Mystery (1929)
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- Partners in Crime (1929)
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- The Mysterious Mr.Quin (1930)
- Dauðinn á prestssetrinu
- The Murder at the Vicarage (1930)
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- The Sittaford Mystery / Murder at Hazelmoor (1931)
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- Peril at End House (1932)
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- The Thirteen Problems / The Tuesday Club Murders (1932)
- Lávarður deyr
- Lord Edgware Dies / Thirteen at Dinner (1933)
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- The Hound of Death (1933)
- Morðið í Austurlandahraðlestinni / Austurlandahraðlestin
- Murder on the Orient Express / Murder in the Calais Coach (1934)
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- The Listerdale Mystery (1934)
- Hver er Evans?
- Why Didn't They Ask Evans? / The Boomerang Clue (1934)
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- Parker Pyne Investigates / Mr. Parker Pyne, Detective (1934)
- Morð í þremur þáttum
- Three Act Tragedy / Murder in Three Act (1935)
- Morð um borð
- Death in the Clouds / Death in the Air (1935)
- ABC-leyndarmálið
- The ABC Murders (1936)
- Morð í Mesópótamíu
- Murder in Mesopotamia (1936)
- Spilin á borðið
- Cards on the Table (1936)
- Þögult vitni
- Dumb Witness / Poirot Loses a Client (1937)
- Dauðinn á Níl
- Death on the Nile (1937)
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- Murder in the Mews / Dead Man's Mirror (1937)
- Feigðarför / Stefnumót við dauðann
- Appointment with Death (1938)
- Jólaleyfi Poirots
- Hercule Poirot's Christmas / A Holiday for Murder (1938)
- Morð er leikur einn
- Murder is Easy / Easy to Kill (1939)
- Tíu litlir negrastrákar
- And Then There Were None (1939)
- Sek eða saklaus
- Sad Cypress (1940)
- Tönn fyrir tönn
- One, Two, Buckle My Shoe / The Patriotic Murders / An Overdose of Death (1940)
- Sólin var vitni
- Evil under the Sun (1941)
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- N or M ? (1941)
- Líkið í bókastofunni / Höfðingjahótelið
- The Body in the Library (1942)
- Minning um morð
- Five Little Pigs / Murder in Retrospect (1942)
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- The Moving Finger (1942)
- Örlagastundin / ... upp komast svik um ...
- Towards Zero (1944)
- Eitt sinn skal hver deyja
- Death Comes as the End (1944)
- Freyðandi eitur
- Sparkling Cyanide / Remembered Death (1945)
- Sunnudagsmorð
- The Hollow / Murder after Hours (1946)
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- The Labours of Hercules (1947)
- Flóð og fjara
- Taken at the Flood / There is a Tide ... (1948)
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- Crooked House (1949)
- Dásamlegur dauði
- A Murder Is Announced (1950)
- Laumuspil í Bagdað
- They Came to Baghdad (1951)
- Á síðustu stundu
- Mrs. McGinty's Dead / Blood Will Tell (1952)
- Brögð í tafli
- They Do It with Mirrors / Murder with Mirrors (1952)
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- After the Funeral / Funeral are Fatal (1953)
- Hús dauðans
- A Pocket Full of Rye (1953)
- Dularfullt mannrán
- Destination Unknown / So Many Steps to Death (1954)
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- Hickory Dickory Dock / Hickory Dickory Death (1955)
- Innsigli dauðans
- Dead Man's Folly (1956)
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- 4:50 from Paddington / What Mrs. Mcgillicuddy Saw! (1957)
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- Ordeal by Innocence (1958)
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- Cat among the Pigeons (1959)
- Ráðgátan um jólabúðinginn
- The Adventure of the Christmas Pudding (1960)
- Dularfulla kráin
- The Pale Horse (1961)
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- The Mirror Crack'd from Side to Side / The Mirror Crack'd (1962)
- Klukkurnar
- The Clocks (1963)
- Ráðgátan á hótelinu
- A Caribbean Mystery (1964)
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- At Bertram's Hotel (1965)
- Þriðja stúlkan
- Third Girl (1966)
- Sígaunajörðin
- Endless Night (1967)
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- By the Pricking of My Thumbs (1968)
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- Hallowe'en Party (1969)
- Farþegi til Frankfurt
- Passenger to Frankfurt (1970)
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- Nemesis (1971)
- Fílar gleyma engu ...
- Elephants Can Remember (1972)
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- Postern of Fate (1973)
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- Poirot's Early Cases (1974)
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- Curtain (1975)
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- Sleeping Murder (1976)
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- Miss Marple's Final Cases (1979)
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- Problem at Pollensa Bay (1992)
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- While the Light Lasts / The Harlequin Tea Set and Other Stories (1997)
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- Come, Tell Me How You Live (1946)
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- Star over Bethlehem (1965)
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- Poems (1973)
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- An Autobiography (1977)
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- The Scoop and Behind the Screen (1983) / The Floating Admiral (1931)
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- Black Coffee (1930)
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- The Mousetrap (1954)
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- Witness for the Prosecution (1954)
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- Spider's Web (1957)
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- Verdict (1958)
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- The Unexpected Guest (1958)
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- Rule of Three (1963)
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- Akhnaton (1973)
- Braurisans
- Giant's Bread (1930)
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- Unfinished Portrait (1934)
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- Absent in the Spring (1944)
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- The Rose and the Yew Tree (1948)
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- A Daughter's a Daughter (1952)
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- The Burden (1956)
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- The Regatta Mystery (1939)
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- Witness for the Prosecution and other Stories (1948)
- Þrjár blindar mýs
- Three Blind Mice and Other Stories (1950)
- Þegar klukkan sló tólf
- The Under Dog (1951)
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- Double Sin (1961)
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- The Golden Ball and other Stories (1971)
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- Hercule Poirot and the Greenshore Folly (2014)
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- The Last Seance (2019)
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- Midwinter Murder (2020)
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- Midsummer Mysteries (2021)
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- The Monogram Murders (2014)
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- Closed Casket (2016)
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- The Mystery of Three Quarters (2018)
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- The Killings at Kingfisher Hill (2020)
Short stories / Omnibus
- Hvarf Davenheims, Ugluútgáfan, 1946