Enter Sir John
First US edition  | |
| Author | Clemence Dane  Helen Simpson  | 
|---|---|
| Cover artist | F. E. Warren | 
| Language | English | 
| Genre | Crime, Theatre-fiction | 
| Publisher | Hodder & Stoughton (UK) Cosmopolitan Book Corporation (US)  | 
Publication date  | 1928 | 
| Media type | |
| Followed by | Re-enter Sir John | 
Enter Sir John is a 1928 British crime novel by Clemence Dane and Helen Simpson. It concerns Martella Baring, a young actress, who is put on trial and convicted of murder and a fellow actor Sir John Saumarez who takes up her cause and tries to prove her innocence. It was followed by the sequel Re-enter Sir John in 1932.