Oliver Marach (born 16 July 1980) is an Austrian professional tennis player.
His highest ATP singles ranking is world No.
82, which he reached on August 7, 2005.
His career high in doubles is world No.
2, set on May 28, 2018, after winning his first major at the 2018 Australian Open in January and reaching his first Masters final in Monte Carlo in April, both partnering Mate Pavic.