N. Sreedharan Nair, popularly known as Kottarakkara Sreedharan Nair or just Kottarakkara, was an Indian film and play actor in Malayalam movies. Sreedharan Nair won two Kerala state film awards. In 1970, he won the best actor award and in 1969 the second best actor award. He is best remembered for his role as Chempankunju in the national award winning film Chemmeen directed by Ramu Kariat. Other impressive performances were in the films Veluthampi Dalava as Veluthampi Dalava, Thommante Makkal (1965) as Thomman, and Pazhassi Raja (1964) as Pazhassi Raja, Viruthan Shanku (1968) by P. Venu. He started acting in dramas at the age of 10. He owned drama troupes Jayasree and Kalamandiram