Peter John Duncan (born 10 July 1965) is a Scottish Conservative Party politician.

However he failed to win the seat, losing to Labour's Russell Brown.

He stood as the Conservative candidate for the Dumfries and Galloway seat at the 2010 general election.

The following year he stood as the Conservative candidate for Midlothian South, Tweeddale and Lauderdale at the Scottish Parliament election, where he came in fourth place.

He married Lorna Anne and they have a son and daughter and, as of 2007, now lives in Dalbeattie in Dumfries and Galloway.