| Honorific Prefix: | Major General |
| Petrus Jacobs | |
| Allegiance: |  South Africa |
| Rank: | Major General |
| Commands: | Army Chief of Staff |
| Battles: | World War II |
| Relations: | Maria Elizabeth Stuart "Daisy" Duvenhage (wife) |
Major-General Petrus Jacobs (1910-1967) was a South African military commander.
He joined the South African Army as a part-time Citizen Force soldier in 1931 in the Prince Alfred's Guard[1] and later became a full-time Permanent Force member. He served in World War II with the 2nd South African Division and with Wits Rifles in Italy.
Maj Gen Jacobs was Army Chief of Staff from 1963 to 1965.[2]