Porur is a neighbourhood of Chennai, India. It is situated in the Maduravoyal taluk of Chennai district in the southern part of the city. Since 2011, it has been a part of the Chennai Corporation and included in zone number 11.
The earliest recorded history of Porur goes back to the Chola period when it served as the headquarters of an administrative division (nadu) called Perur Nadu. Porur Lake is the major source of fresh water for suburban areas such as Iyyapanthangal, Moulivakkam and Mangadu.