Kate Elizabeth Pickett (born 1965[1]) is a British epidemiologist and political activist who is Professor of Epidemiology in the Department of Health Sciences at the University of York, and was a National Institute for Health and Care Research Career Scientist from 2007 to 2012.

One programme of research focuses on the social determinants of health, including the influences of such factors as social class, income inequality, neighbourhood context and ethnic density on such varied outcomes as mortality and morbidity, teenage birth, obesity, Sudden Infant Death Syndrome and health-related behaviours.

A second research agenda focuses on smoking in pregnancy, its causal role in relation to behavioural problems in children and its psychosocial context.

In August 2015, Pickett endorsed Jeremy Corbyn's campaign in the Labour Party leadership election.

[4] Pickett was appointed Officer of the Order of the British Empire (OBE) in the 2023 New Year Honours for services to societal equality.