Aatri, Chandratre (also spelt as Chandratrey and Chandratreya) / Krishnatre (or Krishnatreya) are Indian surnames.

Atri Gotra is from the lineage of Brahmarshi Atri and Anusuya Devi. Brahmarshi Atri is the seer of the fifth mandala (book) of the Rigveda. He had many sons, including Soma, Datta, and Durvasa, who are the incarnations of the Divine Trinity, Brahma, Vishnu, and Rudra. The trimurti channeled through Brahmarsi Atri when they granted boons to his wife Devi Anusuya for helping the Sun to rise in the east every day. Soma is called Chandratreya or Chandratre, and Durvasa is Krishnatreya or Krishnatre. Somatreya (Chandra) established the Someshwara Jyotirlinga, used to overcome all kinds of passion. Soma, as the incarnation of Brahma, has the power to cause any species to continue.

Chandratre is the Surname which is used by Brahmin Families, who are among lineage of Atri Rishi.

Chandratre families can be found in North India, Orrisa, Maharashtra /in Maharashtra at Salawe (Dhule), Satana and othar places / and in West Bengal. Their Gotra is also Chandratre or Chandratreya Chandratre gotra have THREE(3) Pravara's (1)Atri(2)Gavishtha(3)Purvatithya.and there are no Problem matching To the other Gotras in Marriages to tally other gotra. And the SHRI MAHALASA(Mhalsa)DEVI is the Kuldevta.