Panther's Moon is a 1948 spy thriller novel by the British writer Victor Canning.

Roger Quain is tasked by his circus owner uncle to bring a couple of black panthers from Milan to Paris.

The next day before he leaves Italy, he is approached by an attractive young woman who identifies herself as a member of British intelligence.

Urgently needing to smuggle microfilm out of Italy, she believes that the panthers offer the perfect opportunity to get them across the border.

In 1950 it was adapted into the American film Spy Hunt directed by George Sherman and starring Howard Duff, Märta Torén and Philip Friend.