Naqshbandiyya Khalidiyya, or Khalidiyya, is the title of a branch of the Naqshbandiyya Sufi lineage, from the time of Khalid al-Baghdadi until the time of Shaykh Ismail ash-Shirwani.
Moshe Gammer in Muslim Resistance to the Tsar said that the "Naqshbandiyya Khalidiyya, [is] a branch of the Naqshbandi order named after Shaykh Diya al-Din Khalid al-Shahrazuri (Khalid al-Baghdadi)".