Apastambha surname is an Indian last name. Apastambha surname also indicates the caste of person. Apastambha surname definition is A Sutra of the Vedas. A subdivision of Brahmans following that Sutra and forming a caste subdivision. But they marry with Rig-Vedis though the Sutra belongs to the Black Yajur-Vedi.. People with Apastambha surname can also be found in other south asian countries like Pakistan, Bangladesh, Nepal and Sri Lanka. Apastambha surname definition is from a survey conducted during British rule in India. Many surnames in India indicate the type of work done by the person or by someone in family from whom the family inherited the surname. Surnames help spread casteism in India. One of the intellectuals suggested to drop surnames in India so that people can overcome caste differences easily.