Kollam Cantonment is a residential neighbourhood in the city of Kollam. It arose as a cantonment of the British Raj in the 17th century. It is now a thickly populated area of the city of Kollam. Some of the important business centres, shopping complexes and Government offices are located here. Kollam Junction railway station is also located near to cantonment area.

C. Kesavan was a politician, freedom fighter, social reformer, statesman and the chief minister of Travancore-Cochin during 1950–1952. He led the Nivarthana agitation in Travancore to gain the democratic authority for the citizens to decide on the legislation and to attain opportunities regardless of caste or social and economical status.