Raghuvaran Velayuthan Nair (11 December 1958 – 19 March 2008) was an Indian actor who predominantly acted in films made in South India.

He received critical acclaim for his role as Father Alphonso in the Malayalam movie Daivathinte Vikruthikal, directed by Lenin Rajendran and based on M. Mukundan's novel of the same name.

Government Film and Television Training Institute in Chennai, Raghuvaran approached many Kollywood studios aiming for performance oriented roles and finally got selected as hero.

The villain act continued in films like Kutravaaligal, Mr. Bharath, Manthira Punnagai, Poovizhi Vasalile, Makkal En Pakkam, Oorkavalan and Puriyaadha Pudhir.

Known for playing the antagonist in a number of box office hits during the course of his career, he shared screen space with several big names in Tamil cinema, with his most memorable on-screen foe being none other than 'Superstar' Rajinikanth.

The duo had appeared together in Mr. Bharath (1986), Oorkavalan (1987), Manithan (1987), Siva (1989), Raja Chinna Roja (1989), Baashha (1995), Muthu (1995), Arunachalam (1997) and Sivaji (2007).

He later returned to supporting roles – sometimes as a father or as a mentor in films such as Run (2002), Bala (2002), Alai (2003), Thirumalai (2003) and Yaaradi Nee Mohini (2008).