Parameswaran Nair is a surname. Notable people with the surname include:

P. K. Parameswaran Nair (1903-1988), indian biographer, critic, essayist and literary historian Edappal Ponnamkuzhi Veettil Parameswaran Sukumaran Nair (1948-1997), indian actor and producer V. Parameswaran Nair (), indian physicist