Haydn Porteous (born 8 July 1994) is a South African professional golfer.

He represented his country, together with Zander Lombard and Brandon Stone, at the 2012 Eisenhower Trophy in Antalya, Turkey.

[1] He was the top-ranked South African amateur player when he turned professional in 2013.

[2][3] In January 2016, Porteous won his maiden European Tour title with a two-stroke victory on home soil at the Joburg Open.

In January 2018, Porteous reached a career best 166th in the Official World Golf Ranking.