Katlamari is a village in West Bengal, India. It is located near the Bangladesh–India border, about 37 kilometres northeast of the district seat Berhampore. As of 2011, Katlamari had a population of 33,290, in 7,555 households.

Katlamari is located on the south bank of Padma River, and is surrounded by the villages of Sarandajpur, Nabipur, Babaltali and Majhardiar. The village covers an area of 1610.05 hectares.

Per the 2011 Census, Katlamari had a population of 33,290, including 16,960 males and 16,330 females. The working population made up 32.63% of the overall population. The literacy rate was 53.77%, with 9,286 of the male inhabitants and 8,613 of the female inhabitants being literate.