Ghadana of Armenia (fl. 135), was an Armenian princess and daughter of King Vologases I. Through her marriage to Pharasmanes II, she became Queen of Caucasian Iberia.
After his death, their son Ghadam ruled for three years. In 135, Ghadam was succeeded by his one-year-old son Pharasmanes III. Ghadana then acted as regent for her grandson because of his youth.