| The Unwritten Law | |
| Director: | Sinclair Hill |
| Starring: | Rosalinde Fuller Ian Swinley |
| Cinematography: | Arpad Viragh |
| Studio: | British Sound Film Productions |
| Distributor: | British Independent Exhibitors' Distributors |
| Runtime: | 29 minutes |
| Country: | United Kingdom |
| Language: | English |
The Unwritten Law is a 1929 British short crime film directed by Sinclair Hill, and made at Wembley Studios in the De Forest Phonofilm sound-on-film system.[1]