| Frank Baltrusch | |
| Fullname: | Frank Baltrusch |
| Nationality: | East German |
| Club: | Sportclub Magdeburg |
| Birth Date: | 1964 3, df=yes |
| Birth Place: | Magdeburg, East Germany |
| Height: | 1.930NaN0 |
| Weight: | 92kg (203lb) |
Frank Baltrusch (born 21 March 1964) is a former backstroke swimmer from East Germany who won the silver medal in the 200 m backstroke at the 1988 Summer Olympics in Seoul, South Korea, in a time of 1:59.60.
He finished 6th in the final of the 100m backstroke in a time of 56.10 seconds.