José-Miguel Bernardo Herranz (born 12 March 1950) is a Spanish mathematician and statistician. He is a noted Bayesian and known for introducing the concept of reference priors. Bernardo was born in Valencia, Spain. He received a PhD in mathematics from the University of Valencia in 1974, and a second PhD in statistics from University College London in 1976. Since 1978, he has been a professor of statistics at the University of Valencia. Bernardo is a Fellow of the American Statistical Association and was founding co-president of the International Society for Bayesian Analysis (ISBA).