The 2015 Weymouth and Portland Borough Council election took place on 7 May 2015 to elect 12 members of Weymouth and Portland Borough Council in England.^[1] This was on the same day as the 2015 general election.

The elections saw the Conservative Party gain 3 seats and become the largest party on the council with 14 seats, but without an overall majority. The Labour Party was reduced to 13 seats compared to the 15 they had after the 2014 election.

After the election, the composition of the council was

• Conservative 14
• Labour 13
• Liberal Democrat 6
• Independent 2
• UKIP 1

Gain/loss is relative to the 2011 results.

The following councillors were elected in 2011 and had to seek re-election.

No elections: Littlemoor, Underhill, Westham East

Anne Kenwood became an independent in March 2015.^[2]