| Fiona van Tuyll | |
| Full Name: | Fiona Henrietta Emilie van Tuyll van Serooskerken |
| Nationality: | Dutch |
| Birth Date: | 29 May 1964 |
| Birth Place: | London, England |
| Sport: | Equestrian |
Fiona Henrietta Emilie "Fieps" van Tuyll van Serooskerken (born 29 May 1964) is a Dutch equestrian. She competed in the individual eventing at the 1992 Summer Olympics.[1]