Klaus Jacob
Klaus Jacob is the name of the following people:
- Klaus Jacob (rower) (* 1943), German rower
- Klaus Jacob (1951–2016), German murder victim, see attack on the Berlin Christmas market at the Gedächtniskirche #Opfer
- Klaus Jacob (political scientist) (* 1967), German political scientist
- Klaus-Jürgen Jacob (1940–2013), German biologist and zoo director