Haldar is a surname or a title. Notable people with the surname include: Asit Kumar Haldar (1890–1964), Indian painter. Debshankar Haldar (born 1965), Indian actor.

These names are Barman/Burman, Biswas, Haldar/Halder, Mandal/Mondal, and Naskar. They account for 3.8 percent of the population age 20– 29 in Kolkata. Because they are overrepresented among physicians and attorneys in Bengal, they are labeled in figure 6 as “scheduled caste elite.”

German : topographic name for someone who lived on a mountainside or slope, from an agent derivative of Middle High Germanhalde ‘slope’. Indian (Bengal) and Bangladeshi : Hindu (usually, Brahman) name, also written Haldar.

Bengali. Bengali Brahmin surnames include Banerjee, Bagchi, Bhaduri, Bhattacharjee, Chakraborty, Chatterjee, Ganguly, Goswami, Ghoshal, Lahiri, Maitra, Mukherjee, Sanyal, etc. A Brahmin name is often the name of the clan or gotra, but can be an honorific, such as Chakraborty or Bhattacharya.

Maitra, alternatively spelled Moitra or Maitreya, is a Bengali Hindu family name found among the Bengali Brahmins of the Varendra clan. It is one of the oldest surnames of Bengal, coming from the Varendra Brahmin clans.

De or Dey is a surname commonly used by the Bengali community. The surname has been mostly associated with Kayasthas. In 12th–13th century, a Hindu dynasty Deva ruled over eastern Bengal after the Sena dynasty.

Baishya Saha or Saha (Vaishya) is a Bengali Hindu trading caste traditionally known to have the occupation of grocers, shopkeepers, dealers & moneylenders. They were even zaminders in the East Bengal (present Bangladesh).

Debnath is Brahmin… And it is basically a Bengali Brahmin Surname…

Presidents of India