Thierry Renaer (born 4 March 1976 in Leuven, Flemish Brabant) is a field hockey defender from Belgium, who made his debut for the Men's National Team in 1993.

Belgium finished in 8th place at the Olympic Qualifier Tournament in Madrid, in March 2004, after losing on penalty strokes against South Africa.

Renaer plays for a club called KHC Leuven in his native country.

Renaer played for 15 years with the Belgian National Team and earned during that period three times the golden stick award in his country.

This biographical article relating to a Belgian field hockey figure is a stub.