Nicolas Touzaint (born 10 May 1980) is a French professional horserider specialising in three-day eventing.
He was born into a family already known for its performance in equestrianism: his father, Jean-Yves Touzaint, was champion of France eventing in 1975 and 1976.
His uncle, Thierry Touzaint, is a national coach in the same discipline.
On 4 May 2008 he became the first Frenchman to win the Badminton Horse Trials.