The following is an incomplete list of by-elections to Cambridgeshire County Council.
By-election following resignation of Martin Curtis on 22 March 2015.
The by-election was triggered by the resignation of Councillor Peter Lagoda, who was elected for the UK Independence Party, following his conviction for benefit fraud.
The by-election was triggered by the death of Councillor Phil Read, who was elected as a Conservative.
[38] By-election following the death of Councillor Steven Van de Kerkhove in January 2016.