- As a North German surname, from variants/ancestors of the noun Heer (“army”), similar to Herbert, Hermann.
- As an English surname, variant of Hare.
Harr (plural Harrs)
- A surname.
- According to the 2010 United States Census, Harr is the 5754th most common surname in the United States, belonging to 6021 individuals. Harr is most common among White (92.54%) individuals.
From Middle High German herre, from Old High German hērro (“master”), comparative of hēr (“gray-haired, old; noble, venerable”), from Proto-Germanic *hairaz (“gray; aged, old, distinguished”). Compare German Herr, Dutch heer.