| No Defense | |
| Director: | William Duncan |
| Producer: | Albert E. Smith |
| Starring: | William Duncan Edith Johnson Jack Richardson |
| Cinematography: | George Robinson |
| Studio: | Vitagraph Company of America |
| Distributor: | Vitagraph Company of America |
| Runtime: | 60 minutes |
| Country: | United States |
| Language: | Silent English intertitles |
No Defense is a 1921 American silent drama film directed by William Duncan and starring Duncan, Edith Johnson and Jack Richardson.[1]