The Juhaynah (Arabic: جهينة, also transliterated as Djuhaynah and Johaynah) are a nomad tribe of the Arabian Peninsula and the largest clan of Banu Quda'a.
The clan remains prevalent in the Arabian Peninsula, Saudi Arabia mostly in the region of Madinah and the cities of Yanbu, Umluj, Alshabaha, Tabuk, and Jeddah.
One of its members, 'Abd ad-Dar b. Hudayb, to build a Qawdam (an artifact that could compete with the Kaaba in Mecca), since the time of Jahiliyya able to attract many pilgrims and create a trade fair where he concluded lucrative business.
They reached an agreement with Muhammad, once these installed himself with his Muslim followers to Medina, which allowed them not to embrace the Islamic religion which, however, later converted, becoming perhaps the first tribal group fighting alongside Muslims the affirmation of their cause.
In the conquest of Mecca (629 CE) it was present with 800 warriors and 50 knights, although figures Al-Tabari provides are more generous still, with approximately 1,400 men.