Juanne Hugo Smith (born 30 July 1981 in Bloemfontein, South Africa) is a former South African rugby union player who has represented South Africa in international test rugby, the Cheetahs in the Super Rugby competition and the Free State Cheetahs in the Currie Cup. Known as Juan Smith, he plays as a blindside flanker, although he has also played number eight.
Smith made his international debut for South Africa on 7 June 2003 as a reserve in the 29-25 victory over Scotland at Kings Park Stadium in Durban. He was also named in the Springboks' team for the second Scottish Test the following week. He then played at number 8 during the 2003 Tri Nations Series against Australia and the All Blacks.
Smith was included in the Springboks squad for the 2003 Rugby World Cup in Australia. He played in four matches at the World Cup and scored a try in the match against Manu Samoa. Although he only played the one Test for South Africa during 2004 – against Wales at Millennium Stadium in Cardiff in November, he was capped 10 times for the Springboks the following season.