John Plankenhorn
| Personal information | |
|---|---|
| Full name | John Plankenhorn |
Nickname | Rob Plankenhorn |
| Nationality | American |
| Born | August 20, 1954 |
| Sport | |
| Sport | Canoeing |
Event(s) | C-2 1000 m; C-1 500 m |
| Achievements and titles | |
| Olympic finals | 1984 Summer Olympics |
John Plankenhorn aka Rob Plankenhorn (born August 20, 1954) is an American sprint canoer who competed in the mid-1980s. At the 1984 Summer Olympics in Los Angeles, he competed in the C-2 1000 m event and in the C-1 500 m event.