Kadiyalur Uruttirangannanar (3rd/4th century CE) was a Tamil poet of the Sangam period. He is credited with the composition of the Paá¹Âá¹Âiá¹ÂappÃÂlai and the PerumpÃÂá¹ÂÃÂá¹Âá¹Âuppaá¹Âai in the PattuppÃÂá¹Âá¹Âu anthology and song 167 of the Akanaá¹Âà «á¹Âu and 352 of the Kuá¹Âuntokai. According to P. T. Srinivasa Iyengar, he lived between the late 3rd and early 4th centuries CE and was a contemporary of the king of Kanchipuram Ilandiraiyan.
Uruttirangannanar was born in a Brahmin family in the village of Kadiyalur in the present-day Vellore district.