| Lady Barnacle | |
| Director: | John H. Collins |
| Starring: | Viola Dana Robert Walker Augustus Phillips |
| Cinematography: | John Arnold |
| Studio: | Metro Pictures |
| Runtime: | 5 reels |
| Country: | United States |
| Language: | English |
Lady Barnacle is a 1917 American silent comedy film, directed by John H. Collins. It stars Viola Dana, Robert Walker, and Augustus Phillips, and was released on June 4, 1917.