John Robert Biggs (born 19 November 1957) is a British Labour Co-op politician who was Mayor of Tower Hamlets between 2015 and 2022. Biggs was first elected to Tower Hamlets London Borough Council in 1988 where he served as a Councillor for St Katharine’s Ward and later St Dunstan's Ward until 2002. He was selected as Leader of the Labour Group in 1991, and became Council Leader in 1994 following a landslide election win. He was elected Mayor of Tower Hamlets in 2015, and reelected in 2018. In 2007 he was made an Honorary Fellow of Queen Mary University, and of Birkbeck College in 2016.