Priyanka Joshi is a biochemist who is an Everitt Butterfield research fellow at Downing College, Cambridge. She works at the university's Centre for Misfolding Diseases, studying the metabolic precursors which influence the aggregation of proteins such as amyloid beta which are thought to cause Alzheimer's disease. In 2018, she was listed in the Forbes "30 under 30" list of innovators in science and healthcare and the Vogue 25 list of influential women in Britain.

Joshi was born in Delhi, India in 1988. She went to Mount Carmel School in Delhi and then studied for a MSc in Biotechnology at Savitribai Phule Pune University before gaining a PhD at the University of Cambridge in Chemistry. She was awarded the Salje medal for Best PhD in Science by Clare Hall, Cambridge in 2015.