Deane Pappas (born 12 December 1967) is a South African professional golfer.

Pappas was born in Phalaborwa, Limpopo province, South Africa, as the second youngest of four brothers, three of them to became professional golfers.

At the 1988 Eisenhower Trophy at Ullna Golf Club in Stockholm, Sweden, Pappas together with his brother Sean, was part of the four-men team representing Greece.

He won for the first time on the tour in 2001, at the prestigious South African PGA Championship.

Pappas lives in Arkansas in the United States with his wife Shona, and two children, Callen and Devyn.