| Maria Ciach | |
| Birth Date: | 7 September 1933 |
| Birth Place: | Tomaszów Mazowiecki, Łódź Voivodeship, Poland |
| Sport: | Athletics |
| Event: | Javelin throw |
Maria Ciach (7 September 1933 - 25 May 2009) was a Polish sportswoman. She was born in Tomaszów Mazowiecki in Łódź Voivodeship. She competed at the 1952 Summer Olympics in Helsinki, where she placed seventh in women's javelin throw.[1]