Schalk Willem Burger (6 September 1852 – 5 December 1918) was a South African military leader, lawyer, politician, and statesman who was acting president of the South African Republic from 1900 to 1902, whilst Paul Kruger was in exile. At the age of 21, Burger worked as a clerk in the office of the field coronet. He married his wife, Alida Claudina de Villiers during this time.