Baack
Baack is a Frisian surname, a diminutive of the French surname Baud.{{cite book |last1=Hanks |first1=Patrick |last2=Hodges |first2=Flavia |title=The Oxford Names Companion |date=2002 |publisher=Oxford University Press |isbn=0198605617 |pages=52–53}} Notable people with the surname include:
- Lawrence J. Baack (born 1943), American historian
- Steve Baack (born 1960), American football player
- Tom Baack (born 1999), German football player