Last name Amitava (Amitava 
) , worldwide, is a very rare family name. The last name Amitava is habitual in Austria, where it is a rare surname, Malaysia, where it is an extremely rare surname, and India. Measured by absolute frequency, the name is most common in India, Austria, and the United States. Much more frequently, Amitava is the forename as well as the last name.
De, Mondal, Sanyal, Sarkar, Biswas, Halder, Samanta, Ganguly, Goswami, Majumder, Majumdar, Sengupta, Banerjee, Dasgupta, Mukherjee, Choudhury, Chowdhury, Chatterjee, Chakraborty, Mukhopadhyay, Bhattacharya, Bandyopadhyay, Mandal, Hazra, Nandi, Ghosh, Sen, Pal, Ray, Roy, Deb, Dey, Das, Saha, Basu, Bose, Bhattacharyya, Paul, Jana, Manna, Maity, Mitra, Sinha, Kundu, Patra, Datta, Dutta, Gupta, Guha, and Bhattacharjee