| "When a Man Murders" | |
|---|---|
| Short story by Rex Stout | |
 Illustrated by Thornton Utz | |
| Country | United States |
| Language | English |
| Genre(s) | Detective fiction |
| Publication | |
| Published in | The American Magazine |
| Publication type | Periodical |
| Publication date | May 1954 |
| Series | Nero Wolfe |
"When a Man Murders" is a Nero Wolfe mystery novella by Rex Stout, first published in the May 1954 issue of The American Magazine. It first appeared in book form in the short-story collection Three Witnesses, published by the Viking Press in 1956.