The Devil in Velvet, first published in 1951, is a detective story by American writer John Dickson Carr.

Fenton soon finds himself in love with the intended victim, Sir Nick's wife Lydia, and resolves to alter the course of history by preventing her murder.

Also involved in the action is a woman who has also sold her soul to the devil and travelled back in time, and Fenton finds himself torn between the two women.

He must not only solve the approaching murder before it happens, but come to terms with Sir Nick's romantic and political entanglements—and even void his deal with the devil.

Boucher and McComas lauded The Devil In Velvet as an "unbelievably perfect fusion of time travel and diabolism with historical romance and pure detection," listing it among the best imaginative novels of 1951.