The Himyarite Kingdom or Himyar (in Arabic مملكة حِمْيَر mamlakat ħimyâr) (r. 110 BC–520s), historically referred to as the Homerite Kingdom by the Greeks and the Romans, was a kingdom in ancient Yemen. Established in 110 BC, it took as its capital the modern day city of Sana'a after the ancient city of Zafar. The Kingdom conquered neighbouring Saba (Sheba) in c.25 BC, Qataban in c.200 CE, and Hadramaut c.300 CE. Its political fortunes relative to Saba changed frequently until it finally conquered the Sabaean Kingdom around 280 CE.

The Himyarite Kingdom was the dominant polity in Arabia until 525 AD. Its economy was based on agriculture, and foreign trade centered on the export of frankincense and myrrh. For many years, the kingdom was also the major intermediary linking East Africa and the Mediterranean world. This trade largely consisted of exporting ivory from Africa to be sold in the Roman Empire. Ships from Himyar regularly traveled the East African coast, and the state also exerted a large amount of Influence both cultural religious and political to the trading cities of East Africa whilst the cities of East Africa remained independent. The Periplus of the Erythraean Sea describes the trading empire of Himyar and its ruler Charibael (Karab Il Watar Yuhan'em II), who is said to have been on friendly terms with Rome: