Grand National Night (also known as Wicked Wife) is a 1953 British second feature ('B') thriller film directed by Bob McNaught and starring Nigel Patrick, Moira Lister and Beatrice Campbell. It was produced by George Minter and Phil C. Samuel, and written by Val Valentine and Bob McNaught based on the 1945 play of the same title written by Campbell and Dorothy Christie.

Plot

Racehorse trainer Gerald Coates argues with his alcoholic wife Babs on the evening after his horse has won the Grand National. She attacks him with a knife and there is a struggle. Coates's butler hears the car leaving, and dead Babs is found in it the next day. Inspector Ayling investigates.