Royce Deppe (born August 11, 1965, in Durban, South Africa), is a former professional tennis player from South Africa. He enjoyed most of his tennis success while playing doubles. During his career he won 1 doubles title. He achieved a career-high doubles ranking of World No. 75 in 1992.
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents in the final | Score in the final |
|---|---|---|---|---|---|---|---|
| Runner-up | 1. | 1992 | Florence, Italy | Clay | Brent Haygarth | Marcelo Filippini Luiz Mattar |
4–6, 7–6, 4–6 |
| Winner | 1. | 1992 | Newport, U.S. | Grass | David Rikl | Paul Annacone David Wheaton |
6–4, 6–4 |
| Runner-up | 2. | 1993 | Athens, Greece | Clay | John Sullivan | Horacio de la Peña Jorge Lozano |
6–3, 1–6, 2–6 |