Antoine Robert Onslow "Tonny" van Lierop (19 September 1910 in Vught â 31 March 1982 in Blaricum) was a Dutch field hockey player who competed in the 1936 Summer Olympics.
He was a member of the Dutch field hockey team, which won the bronze medal. He played all five matches as halfback.
In 1928 he was a squad member of the Dutch field hockey team, but he did not compete.