| Guillero Marín | |
| Birth Date: | 12 August 1905 |
| Birth Place: | Madrid, Spain |
| Yearsactive: | 1939 - 1988 |
Guillermo Marín (12 August 1905 – 21 May 1988) was a classic Spanish film and theater actor. He was one of the leading men in Spanish cinema of the 1940s, and in stages in the 1950s. He played several characters in successful films directed by Edgar Neville, but eventually preferred stage before screen.