| Diana Schmiemann | |
| Birth Date: | 2 March 1972 |
| Birth Place: | Wickede-Wimbern, North Rhine-Westphalia, West Germany |
| Weight: | 42kg (93lb) (during her career) |
| Discipline: | Rhythmic gymnastics |
| Level: | Senior international |
| Club: | TV Wattenscheid |
| Show-Medals: | yes |
Diana Schmiemann (born 2 March 1972 in Wickede-Wimbern, North Rhine-Westphalia, West Germany) is a retired German rhythmic gymnast.
She competed for West Germany in the rhythmic gymnastics all-around competition at the 1988 Summer Olympics in Seoul, placing 8th overall.[1]