
*Año de lanzamiento del original, no de la versión española.
Otras obras
- 1937 Murder in the Mews (cuatro relatos con Hércules Poirot)
- 1971 The Golden Ball and Other Stories (quince relatos)
- 1973 Akhnaton - A play in three acts
- 1979 Miss Marple's Final Cases and Two Other Stories
- 1997 While the Light Lasts and Other Stories
Obras en colaboración:
- 1931 The Floating Admiral escrita con G. K. Chesterton, Dorothy L. Sayers y otros miembros del Detection Club.
Obras de teatro adaptadas en forma de novelas por Charles Osborne:
- 1998 Black Coffee
- 2001 Una visita inesperada (The Unexpected Guest)
- 2003 The Spider's Web
Obras escritas como Mary Westmacott
- 1930 Giant's Bread
- 1934 Unfinished Portrait
- 1944 Absent in the Spring
- 1948 The Rose and the Yew Tree
- 1952 A Daughter's a Daughter
- 1956 The Burden
Obras de teatro
- 1928 Alibi
- 1930 Black Coffee
- 1936 Love from a Stranger
- 1937 o 1939 A Daughter's a Daughter (nunca representada)
- 1940 Peril at End House
- 1943 Ten Little Indians
- 1945 Appointment With Death
- 1946 Murder on the Nile/Hiddon Horizon
- 1949 Murder at the Vicarage
- 1951 The Hollow
- 1952 La ratonera (The Mousetrap)
- 1953 Witness for the Prosecution
- 1954 The Spider's Web
- 1956 Hacia cero (Towards Zero)
- 1958 Verdict
- 1958 Una visita inesperada (The Unexpected Guest)
- 1960 Go Back for Murder
- 1962 Rule of Three
- 1972 Fiddler's Three (originalmente Fiddler's Five, nunca se publicó; última obra de teatro escrita)
- 1973 Aknaton (escrita en 1937)
- 1977 Murder is Announced
- 1981 Cards on the Table
- 1993 Murder is Easy
- 2000? And Then There Were None
Obras para radio
- 1937 The Yellow Iris
- 1947 Three Blind Mice
- 1948 Butter In a Lordly Dish
- 1960 Personal Call
