R´ha

RHA is an acronym that may refer to:Rolled homogeneous armour Regional health authority (disambiguation) Regional health authority, a former type of administrative organisation of the NHS in England and Wales Religious Heritage of America Residence hall association Rice husk ash, a by-product from rice culture used as cement admixture Rivers and Harbors Act, any number of various acts of legislation of the United States Congress Road Haulage Association Royal Hibernian Academy, and the post-nominal letters used by its members Royal Horse Artillery RNA helicase, an enzyme