HCZ may refer to:
*
Harlem Children's Zone
The Harlem Children's Zone (HCZ) is a nonprofit organization for poverty-stricken children and families living in Harlem, providing free support in the form of parenting workshops, a preschool program, three charter schools, and child-oriented ...
, a nonprofit organization for poverty-stricken children and families living in Harlem
* HCZ, the IATA code for
Chenzhou Beihu Airport, Hunan, China
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