This list contains authors of crime fiction where the same book has been published under two different author names. It does not include authors who consistently use more than one name for different series (e.g. Gwendoline Butler / Jennie Melville).

GIROUX, E.X / SHANNON, Doris.
At least one E.X. Giroux book has appeared in a UK hardback edition under the author name Doris Shannon.

HARRIS, Lee / LEAHY, Syrrel
The Yom Kippur Murder has appeared as a UK hardback entitled The Atonement Murder with the author given as Syrrel Leahy.

HILL, Reginald / RUELL, Patrick
A number of books originally published under the pseudonym Patrick Ruell are now being reissued under the author name Reginald Hill.

STAYNES, Jill and STOREY, Margaret / STACEY, Susannah
Staynes and Storey's books are issued in the US under the author name Susannah Stacey.

And now: on to Title Changes.