Clue of the New Pin
- Blwyddyn: 1961
- Gwlad: United Kingdom
- Genre: Crime
- Stiwdio: Merton Park Studios
- Allweddair: locked room, locked room mystery, locked room murder
- Cyfarwyddwr: Allan Davis
- Cast: Paul Daneman, Bernard Archard, James Villiers, Katherine Woodville, Clive Morton, Wolfe Morris