IY, I-Y, or iY may refer to:
Iyer (also spelt as Ayyar, Aiyar, Ayer or Aiyer) is a caste of Hindu Brahmin communities of Tamil origin.
The İyi Party (translated into English as the Good Party) is a nationalist, liberal-conservative, secularist political party in Turkey.
Iyengars or Ayyangars or Aiyengars ([əjːəŋɡɑːr]) is a caste of Hindu Brahmins of Tamil origin who follow Sri Vaishnavism and the Visishtadvaita philosophy propounded by Ramanuja.
Iyanla: Fix My Life is an American reality television series hosted by Yoruba priestess, life coach and relationship expert Iyanla Vanzant on the Oprah Winfrey Network.
Iyengar Yoga, named after and developed by B. K. S. Iyengar, and described in his bestselling 1966 book Light on Yoga, is a form of yoga as exercise that has an emphasis on detail, precision and alignment in the performance of yoga postures (asanas).
Iyseden Christie (born 14 November 1976 in Coventry) is an English footballer who plays for Bedworth United, where he plays as a striker.
Iyanla Vanzant (born Rhonda Eva Harris; September 13, 1953) is an American inspirational speaker, lawyer, New Thought spiritual teacher, author, life coach, and television personality.