Kaushik
Kaushik () or Kaushike () or Koushik/Kousik is a surname and gotra of Brahmins named after Brahmarishi Vishvamitra. Kaushik/Koushik is ancient Indian 'Gotra' applied to an Indian clan. Origin of Kaushik can be referenced to an ancient Hindu text. There was a Rishi (saint) by the name of "Vishvamitra" literally meaning 'friend of the universe', 'Vishwa' as in universe and 'Mitra' as in friend, he was also called as Rishi "Kaushik".Vishvamitra is famous in many legendary stories and in different works of Hindu literature. Kaushika is pravara of Vishwamitra gotra. Etymology
The name "Koushika" (i.e. Kaushik) literally means "descended from Kusha". Notable people

Notable people with the surname include:

Sports
Shivil Kaushik, Indian cricketer
Manish Kaushik (boxer), Indian boxer
Haripal Kaushik, Indian field hockey player, military officer and television commentator
Jagannathan Kaushik, Indian cricketer
Ankit Kaushik, Indian cricketer
Aditya Kaushik, Indian cricketer
Maharaj Krishan Kaushik, former coach of Indian women's hockey team
Madhav Kaushik,Indian cricketer
Abhishek Kaushik (cricketer, born 1985)
Abhishek Kaushik (cricketer, born 1994)

Entertainers
Ashutosh Kaushik, Indian actor
Amar Kaushik, Indian director and actor
Satish Kaushik, Indian film director, producer, and actor
Kavita Kaushik, Indian actress 
Dinesh Kaushik, Indian actor
Aravind Kaushik, Indian film director, screenwriter who works in Kannada cinema
Tashu Kaushik, Indian film actress and model
Kabeer Kaushik, Indian film director and screenwriter
Rishi Kaushik, Indian actor
Divyansha Kaushik, Indian actress

Politicians
Dharamlal Kaushik, BJP politician from Chhattisgarh 
Madan Kaushik, BJP politician from Uttarakhand
Anil Kaushik, Indian National Congress politician from Maharashtra
Dinesh Kaushik (politician), Indian politician from Haryana
Ramesh Chander Kaushik, Indian politician from Haryana
Purushottam Kaushik, former Indian politician from Madhya Pradesh 
Naresh Kaushik, Indian politician from Haryana
K. M. Koushik, former Indian politician from Maharashtra

Others
Ravindra Kaushik, Indian Research and Analysis Wing (RAW) agent who lived undercover in Pakistan
Bhupendra Nath Kaushik, Indian Hindi and Urdu language poet, writer and satirist
Ramanath Cowsik, astrophysicist
Sadasivam KAUSHIK, scientist, aquaculture, animal nutrition

