Ganja Karuppu (born as Karuppu Raja Sudalaimuthu) is an Indian film actor who has predominantly appeared in comedy roles in Tamil cinema.
After making his debut in Bala's Pithamagan (2003), Ganja Karuppu experienced success in the late 2000s with his roles in Raam (2005), Sivakasi (2005), Paruthiveeran (2007), Subramaniyapuram (2008) and Naadodigal (2009).