Krantz is the name of the following persons:
- Albert Krantz (1448-1517), German historian
- Grover Krantz (1931-2002), Bigfoot researcher
- Judith Krantz, author and journalist
- Kermit E Krantz, physician and inventor
- Steve Krantz (1923–2007), film producer and writer
- Steven G. Krantz, American mathematician
- Tobias Krantz (born 1971), Swedish politician
- Wayne Krantz, American musician