Joka is a locality of South Kolkata in South 24 Parganas district in West Bengal, India. It is a part of greater Behala region. Joka is located at the southern fringe of the city and marks the limit of KMC area. It is known for Indian Institute of Management Calcutta and ESIC Medical College and Hospital.

Joka and part of Pailan-Daulatpur (adjoining area of Joka) are a part of the Kolkata Municipal Corporation. The area is under jurisdiction of the Haridevpur Police Station and Thakurpukur Police Station of South West Division (Behala Division) of Kolkata Police.

Joka is bordered by Thakurpukur to the north, Pailan to the south, Asuti Maheshtala to the west and Nepalgunge, Rania to the East.

Joka composed of many small areas like Diamond Park, Nabapally, 22 Bigha, Yani Sarani, Check Post, Sri Bardhan Pally, Bardhan Pally, Hanspukur, Rasapunjo, Kalua, Sonar Bangla etc.

Joka is well connected with the rest of Kolkata by the 6 laned Diamond Harbour Road (NH 12) and 4 laned James Long Sarani.

There is another road called "Bakhrahat Road" which connects joka with some parts of south 24 paraganas like Bakhrahat, Bibirhat, Nodakhali, Dakshin raypur, Amtala, Burul, Pujali, Budge Budge etc.

Joka-Majherhat metro stretch of Joka-Esplanade metro line (Purple Line) is operational as of November 2024.

The old Joka Tram depot is now closed and tram services no longer exist.