Krynauw Otto (born 8 October 1971) is a South African former professional rugby union player who played as a lock.
[4] Otto made his debut for the South African national team in the 1995 Rugby World Cup against Romania at Newlands in Cape Town and went on to play 38 tests.
[2] He was part of the 1998 Springbok team that won the Tri-Nations and a member of the 1999 World Cup squad that finished third in the tournament.
Otto retired at the age of 28 after medical examinations revealed a subdural haematoma in the left frontal area of his brain, incurred during a match against Australia on 8 July 2000.
[2][5] In 1993, Otto was nominated one of the five most Promising Players of the Year (under-23), along with FP Naude, Ryno Opperman, Christiaan Scholtz and Johan Roux.