The Battle of Philiphaugh was fought on 13 September 1645 during the Wars of the Three Kingdoms near Selkirk in the Scottish Borders. The Royalist army of the Marquis of Montrose was destroyed by the Covenanter army of Sir David Leslie, restoring the power of the Committee of Estates.

Selkirk is a town and historic royal burgh in the Scottish Borders council district of southeastern Scotland. It lies on the Ettrick Water, a tributary of the River Tweed.