Ullagaram, commonly known as Ullagaram–Puzhuthivakkam, is a southern neighborhood located in Chennai, Tamil Nadu, India. It is situated within the Greater Chennai Corporation following the city's expansion into the Kanchipuram district. The area is bordered by the neighborhoods of Madipakkam, Adambakkam, Velachery, Pallikaranai, and Nanganallur.
The neighborhood was initially developed during the late 1960s and early 1970s. It is served by public transportation including buses along the Inner Ring Road and the Puzhuthivakkam railway station. As of 2011, the population of the town was recorded at 53,322.