The 2015 Chiltern District Council election took place on 7 May 2015 to elect members to all seats of the Chiltern District Council in England, as part of the United Kingdom's local elections that year.
As of 23 March 2018, the council's composition was as follows:
|Party||Number of councillors|
The single-member Ridgeway ward was vacated at the death of long-standing independent Councillor Derek Lacey. The consequent by-election on 22 March 2018 was won by Conservative candidate Nick Southworth.
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