Mraz (plural Mrazes)
- A surname.
- According to the 2010 United States Census, Mraz is the 14014th most common surname in the United States, belonging to 2149 individuals. Mraz is most common among White (94.6%) individuals.
- Hanks, Patrick, editor (2003), “Mraz”, in Dictionary of American Family Names, volume 2, New York City: Oxford University Press, →ISBN, page 629.