Globally, Pettijohn (Pettijohn 
) is an extremely rare male first name. Much more prevalently, Pettijohn is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Pettijohn | United Kingdom, Canada, United States, New Zealand |
| duke pettijohn American football player, US (b. 1977) |
|