| Ralph Hammeras | |
|---|---|
| Born | March 24, 1894 Minneapolis, Minnesota | 
| Died | February 3, 1970 (aged 75) Los Angeles, California | 
| Occupation | Special effects designer Cinematographer Art director | 
| Years active | 1925-1960 | 
Ralph Hammeras (March 24, 1894 – February 3, 1970) was an American special effects designer, cinematographer and art director. He was nominated for three Academy Awards. He created a large-scale miniature of the city of London for the film The Sky Hawk, he also created special mechanical effects for it.
He was born in Minneapolis, Minnesota, and died in Los Angeles, California.