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.
Iyengar or Ayyangar ([əjːəŋɡɑːr]) is a caste of Hindu Brahmins of Tamil origin whose members follow the Visishtadvaita philosophy propounded by Ramanuja.
Iyanla: Fix My Life is an American reality television series hosted by life coach and relationship expert Iyanla Vanzant on the Oprah Winfrey Network.
Iyasu V (Ge'ez: ኢያሱ፭ኛ?, the Ethiopian version of Joshua), also known as Lij Iyasu (Ge'ez: ልጅ ኢያሱ?; 4 February 1895 – 25 November 1935), was the designated but uncrowned Emperor of Ethiopia (1913–16).
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.
Iyseden Christie (born 14 November 1976 in Coventry) is an English footballer who plays for Bedworth United, where he plays as a striker.
Iyers are a subsect of South Indian Brahmins and generally speak Tamil. Iyer weddings are known as kalyaanam or thirumanam in Tamil.