Sempad the Constable (Armenian: Smbat Sparapet, Smbat Gúndestabl) (1208–1276) (also Smpad and Smbat) is a noble in Cilician Armenia, an older brother of King Hethum I.

He is an important figure in Cilicia, acting as a diplomat, judge, and military officer, holding the title of Constable or Sparapet, supreme commander of the Armenian armed forces.

He is also a writer and translator, especially known for providing translations of various legal codes, and the creation of an important account of Cilician history, the Chronique du Royaume de Petite Armenie (Chronicle of the Kingdom of Little Armenia).

He organizes and fightd in multiple battles, such as the Battle of Mari, and is trusted by his brother King Hethum to be a key negotiator with the Mongol Empire.