Anne Jacqueline Ridley (born 1963)[4] is a British biologist who is professor of Cell Biology and Head of School for Cellular and Molecular Medicine at the University of Bristol.

She was appointed research group leader at the Ludwig Institute for Cancer Research at University College London (UCL) from 1993 to 2007 and Professor of Cell Biology at UCL from 2003 to 2007.

Since 2007, she has been Professor at King's College London[6] and her research has made contributions to our understanding of cancer, tumour progression and inflammation through her work on cell migration and the Rho family of GTPases.

[13][14][15][16] Work in her laboratory[17][18][19] has influenced many areas of medical science, from metastasis to cardiovascular disease and infection.

[2] She was also awarded the Robert Hooke Medal by the British Society of Cell Biology (BSCB) in 2000,[2] EMBO Membership in 2002[1] and the Liliane Bettencourt Prize for the Life Sciences in 2004.