Demir (plural Demirs)
- A surname from Turkish.
- According to the 2010 United States Census, Demir is the 38640th most common surname in the United States, belonging to 572 individuals. Demir is most common among White (88.99%) individuals.
- Hanks, Patrick, editor (2003), “Demir”, in Dictionary of American Family Names, volume 1, New York City: Oxford University Press, →ISBN, page 438.
From demir (“iron”).
- a male given name from Proto-Turkic
- a surname