RHA

RHA is an acronym that may refer to:

• Regional Health Authority
• Religious Heritage of America
• Rental Housing Association of Puget Sound
• Residence Hall Association
• The by-product rice husk ash from rice culture very rich in amorphous silica and used as cement admixture
• Rivers and Harbors Act, any number of various acts of legislation of the United States Congress
• Road Haulage Association
• Revolutionary Hate Archives
• Rolled homogeneous armour
• Royal Hibernian Academy
• Royal Horse Artillery

Rha may refer to:

• Rha, Netherlands, a population center in Steenderen;
• Rhamnose, a monosaccharide;
• the ancient Scythian hydronym *Rhā, the antique name for Volga River
• Rha, a Cyrillic letter

Letters from alphabets that can be called rha:

• र, ड़', ढ़, र्ह — Devanagari letters which can be called ra, ṛa or rha;
• Ԗ — the 23rd letter rha («ра») in the older (1924−1927) Moksha language Cyrillic alphabet