Beachborough is a hamlet WNW of Folkestone in Kent, England. It lies south of Etchinghill on a minor cross-country route. At the 2011 Census the population of the hamlet was included in the civil parish of Newington.

The hamlet forms a part of Beachborough Manor, which became a small landed estate. Brockman and Drake-Brockman families, then by other families, among whom were briefly the Markham (baronets)Markham baronets, who used Beachborough as their territorial affiliation, when awarded their title in 1911.