Retteri junction is an important road intersection at Kolathur of Chennai district, Tamil Nadu in India.

It is located at the intersection of Jawaharlal Nehru Salai,[1] and Perambur - Red Hills road at Kolathur.

Located at an altitude of about 36 m above the mean sea level, the geographical coordinates of Retteri junction are 13°07'48.9"N, 80°12'49.6"E (i.e., 13.130240°N, 80.213790°E).

Another flyover running parallel to the first one is 1,320 m long built at a project cost of ₹41.07 crore, that connects Madhavaram to Anna Nagar via.

There is a pedestrian subway constructed on Jawaharlal Nehru Salai at Retteri junction, under the two flyovers.

[6] From Madhavaram to Retteri junction, the metro line is being constructed as an elevated corridor.