Lauri Aus (4 November 1970 – 20 July 2003) was an Estonian professional cyclist, who represented his native country at three consecutive Summer Olympics, starting in 1992.

He was born in Tartu, became a professional in 1995 and rode for several French teams. He was the first Estonian rider to finish the Tour de France in 1997.

Lauri Aus died while training near Tartu, when he was struck by a vehicle driven by a drunken driver.