Bayrami, Bayramiye, Bayramiyya, Bayramiyye, and Bayramilik refer to a Turkish Sufi order (tariqah) founded by Hajji Bayram (Hacı Bayram-ı Veli) in Ankara around the year 1400 as a combination of Khalwatī, Naqshbandī, and Akbarī Sufi Orders.
Celvetîyye Tariqat or Jelveti is the name of a Sufi order that was founded by "Akbıyık Sultan", a murid of Hacı Bayram-ı Veli in Bursa as "The tariqat of Bayramiyye-î Celvetîyye" and later reorganized by the Turkish saint Aziz Mahmud Hudayi.