Hiram Kahanawai, also known as Hairama Kahanawai, (September 1837 – August 7, 1874) was a member of the Hawaiian nobility who served as a retainer and household steward of King Kamehameha IV and his widow Queen Emma of Hawaiʻi. He married the future Princess Poʻomaikelani, and they joined the court of King Kalākaua after he won the royal election of 1874 against Queen Emma.