Karin Slowing coaching in 2012 | |
| Personal information | |
|---|---|
| Nationality | Guatemalan |
| Born | 22 December 1968 |
| Height | 1.64 m (5 ft 5 in) |
| Weight | 55 kg (121 lb) |
| Sport | |
| Sport | Swimming |
| Strokes | Freestyle |
Karen Slowing-Aceituno (born 22 December 1968) is a Guatemalan former swimmer who competed in the 1984 Summer Olympics. She competed in the 100 metres, 400 m and 800 m freestyle events.
She is the cousin of Melanie Slowing.

Her daughter Valerie Gruest was an Olympic swimmer in 2016 at 400 and 800 m freestyle.