Cognomen Sailen (Sailen 
) , across the world, is a rare family name. The family name Sailen is characteristic of Tanzania, where it is a rare surname, Honduras, where it is a very rare surname, and Thailand. Not in comparison with a country's population, this name is the most popular in Tanzania, Indonesia, and India. Predominantly, Sailen is the forename as well as the last name.
De, Hazra, Mandal, Mahata, Mahato, Mondal, Santra, Sardar, Sarkar, Barman, Biswas, Kalita, Naskar, Halder, Samanta, Debnath, Haladar, Adhikari, Banerjee, Karmakar, Pramanik, Mukherjee, Ghosh, Dhara, Dutta, Dalui, Bag, Pal, Ray, Roy, Dey, Das, Maji, Saha, Paul, Jana, Kshetrapal, Tudu, Mandi, Manna, Malik, Majhi, Murmu, Saren, Bagdi, Bauri, Kundu, Patra, Nath, and Chakraborty