Petersen
- Adolf Dahm-Petersen
- Alfonso Petersen
- Alicia O'Shea Petersen
- Alviro Petersen
- Anders Petersen (disambiguation)
- Andrew Petersen
- Anja Petersen
- Anker Eli Petersen
- Ann Petersen
- Bjelke-Petersen
- Cal Petersen
- Carl Petersen (disambiguation)
- Carl Wilhelm Petersen
- Chap Petersen
- Chris Petersen
- Christina Petersen
- Cynthia Petersen
- Danish language
- Danny J. Petersen
- Devon Petersen
- Elmer Petersen
- Elsebeth Kock-Petersen
- Ewa Hedkvist Petersen
- Flo Bjelke-Petersen
- Forrest S. Petersen
- Frank E. Petersen
- George Petersen (Australian politician)
- Grant Petersen
- Gustaf Munch-Petersen
- Hans Christian Petersen
- Harald Petersen
- Hjalmar Petersen
- Ike Petersen
- Jack Petersen (disambiguation)
- Jan Petersen (politician)
- Jasmine Petersen
- Joel Petersen
- Joh Bjelke-Petersen
- Johan Carl Christian Petersen
- Johann Wilhelm Petersen
- Johanna Eleonora Petersen
- Johanne Christine Petersen
- Johannes Petersen
- John Hahn-Petersen
- Josef Petersen
- Julius Petersen
- Julius Petersen (literary scholar)
- Kim E. Petersen
- Lou Petersen
- Marita Petersen
- Mark E. Petersen
- Matthew Petersen
- Matthew S. Petersen
- Michael Petersen (baseball)
- Morten Petersen
- Niels Helveg Petersen
- Nils Petersen
- Ole Peter Petersen
- Olga Petersen
- P. Walter Petersen
- Patrick Petersen
- Paul Petersen
- Pedersen
- Peter (name)
- Petersen (film)
- Petersen Automotive Museum
- Petersen Bay
- Petersen Zagaze
- Petersen family
- Petersen graph
- Peterson (surname)
- Robert E. Petersen
- Robert Storm Petersen
- Rodney L. Petersen
- Ron Petersen
- Sandy Petersen
- Sara Petersen (badminton)
- Sara Petersen (hurdler)
- Sigmund R. Petersen
- Sofie Petersen
- Sophie Petersen
- Søren Jessen-Petersen
- Ted Petersen
- Thyge Petersen
- Uwe Fahrenkrog-Petersen
- William Petersen
- Wolfgang Petersen