K C Sreedharan Pillai (1920–1985) was an Indian statistician who was known for his works on multivariate analysis and probability distributions. Pillai studied at the University of Travancore in Trivandrum. He graduated in 1941 and obtained his master's degree in 1945. He was appointed a lecturer at the University of Kerala in 1945 and worked there for six years until he went to the United States in 1951. After studying for one year at Princeton University, he went to the University of North Carolina where he was awarded a doctorate in statistics in 1954. He was a keen golfer too.