Surname Hollenbaugh (Hollenbaugh 
) , around the globe, is a rare cognomen. The cognomen Hollenbaugh is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hollenbaugh | Germany, United Kingdom, United States, Canada, New Zealand |
| erin e hollenbaugh researcher |
|
|
| galen hollenbaugh American politician, US |
|