Cognomen Gerthrud (Gerthrud 
) , throughout the world, is an extremely rare family name. Predominantly, Gerthrud is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerthrud | Brazil, South Africa, Sweden |
Gurke, Grents, Stlinder, Pacheco, Rosenius, Villiste, Männiste, Östlinder, and Gustavsson