Kambadur Muralidhar or K. Muralidhar is an Indian biologist, known for his work in biochemistry, endocrinology and reproductive biology. He taught at Delhi University for over thirty years, and was Head of its Department of Zoology. He was Jawaharlal Nehru Chair Professor, School of Life Sciences, University of Hyderabad. He is a Fellow of the Indian National Science Academy, the Indian Academy of Sciences and the National Academy of Sciences, India. He is also highly regarded as a teacher and educator, and has contributed to biology education at both high school and college levels.