| "Blood Will Tell" | |
|---|---|
| Short story by Rex Stout | |
| Country | United States |
| Language | English |
| Genre(s) | Detective fiction |
| Publication | |
| Published in | Ellery Queen's Mystery Magazine |
| Publication type | Periodical |
| Publication date | December 1963 |
| Series | Nero Wolfe |
"Blood Will Tell" is a Nero Wolfe mystery novella by Rex Stout, first published in the December 1963 issue of Ellery Queen's Mystery Magazine. It first appeared in book form in the short-story collection Trio for Blunt Instruments, published by the Viking Press in 1964.