Hannah Louise Cloke OBE is a Professor of Hydrology at the University of Reading. She was awarded the European Geosciences Union Plinius Medal in 2018 and appointed Officer of the Order of the British Empire in the 2019 Birthday Honours.

Professor Dr Hannah L. Cloke OBE is a physical geographer, natural hazards researcher, climate scientist and hydrologist specialising in earth system modelling, flood forecasting, catchment hydrology, applications of Numerical Weather Predictions and science communication. She leads a wide programme of research on the theoretical and practical development of early warning systems for natural hazards, particularly for floods, droughts, heatwaves and disaster risk management.