| Unexpected Guest | |
| Director: | George Archainbaud |
| Producer: | Lewis J. Rachmil |
| Starring: | William Boyd |
| Music: | David Chudnow |
| Cinematography: | Mack Stengler |
| Editing: | Fred W. Berger |
| Distributor: | United Artists |
| Runtime: | 61 minutes |
| Country: | United States |
| Language: | English |
Unexpected Guest is a 1947 American Western film directed by George Archainbaud and starring William Boyd. The film is a serial Western and part of the Hopalong Cassidy series. It is the 57th entry in a series of 66 films.