Surname Mahaven (Mahaven 
) , around the world, is a very rare cognomen. The family name Mahaven is characteristic of New Zealand, where it is a very rare surname, Australia, and the United States, where it is an extremely rare surname. In absolute terms, the name is most common in the United States, Australia, and India. Much less frequently, Mahaven is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahaven | New Zealand, India, United States, Australia |