Hazen may refer to:
Hazen (name) Hazen High School (disambiguation), various high schools Hazen Street, an American pop punk group Hazen–Williams equation, a pressure loss formula Hazen unit, a unit of measurement for the discolouration of water a 6-row feed barley variety
Places Lake Hazen, the northernmost lake of Canada Hazenland, an island in Greenland Hazen Strait, a strait in northern Canada
United States Hazen, Arkansas, a city in Prairie County Hazen, Nevada, an unincorporated community in Churchill County Hazen, North Dakota, a city in Mercer County Hazen, Beaver County, Pennsylvania, a census-designated place Hazen, Jefferson County, Pennsylvania, an unincorporated community Hazen Bay, a bay of the Bering Sea, Alaska
See also Czech handball (národní házená in Czech), an outdoor ball game