Longside is a village located in Aberdeenshire, Scotland and consists of a single main street. It lies seven miles inland from Peterhead and two miles from Mintlaw on the A950. Its population in 2001 was 721. The River Ugie flows through it.It lies in the centre of what was the ancient parish of Longside, which was established in 1641 and covered an extensive area. There are a number of listed buildings in the village.