Petrus Johannes Liebenberg (Piet Liebenberg, 29 September 1857 – 5 March 1950) was a South AfricanBoer politician for Potchefstroom and a general in the Anglo-Boer War (1899–1902). He successfully invaded the Cape Colony, failed to prevent the British relief of Mafeking, and fought to the end up to the Battle of Rooiwal. During the First World War Liebenberg criticised the policy of the Botha government to attack German South West Africa but did not condone the Maritz rebellion.
