Dr Ashok Kumar Singh is an Indian scientist specializing in the field of Plant Genetics and Breeding.  He is currently the director and vice-chancellor of the Indian Agriculture Research Institute, New Delhi. He is well known for his contribution to Basmati rice breeding. He is an alumnus of Banaras Hindu University, Varanasi where he did his bachelor degree and master Program in agriculture with specialisation in plant genetics and breeding. He received a doctorate degree from the Indian Agricultural Research Institute, New Delhi for his research on Rice Breeding.

Dr Ashok has received several awards and recognitions for his services to the society. He is a fellow of the Indian National Science Academy, New Delhi; National academy of Agricultural Sciences, New Delhi and Indian society of Genetics and Plant Breeding, New Delhi. 

He has published more than 120 research articles in international and national journals on rice genetics, molecular breeding and grain quality. Marker Assisted Plant Breeding: Principles and Practices is a book he co-authored with Professor Brahma Deo Singh and published by Springer.