The 2021 Cambridgeshire County Council election took place on 6 May 2021 as part of the 2021 local elections in the United Kingdom. All 61 councillors were elected from 59 electoral divisions, which returned either one or two county councillors each by first-past-the-post voting for a four-year term of office. The election was held alongside a full election for Cambridge City Council, the Cambridgeshire Police and Crime Commissioner, Mayor of Cambridgeshire and Peterborough and one-third of Peterborough City Council.