Nestorian relates to Nestorianism, a Christological doctrine developed by Nestorius, leading to the Nestorian controversy and Nestorian Schism; it was condemned as heresy by the Council of Ephesus in 431.
"Nestorian" or "Nestorians" may also refer to:
- Church of the East, originally the church in the Sassanid Empire, which once accepted the Nestorian doctrine and split off from orthodoxy at the Nestorian Schism
- "Nestorian" script or East Syriac Maḏnḥāyā, a form of the Syriac alphabet
- "Nestorian" Stele in China