Allensford is a small country park and hamlet in County Durham, in England.

Allensford was first recorded as Aleynforth in Bishop Hatfield's survey of c.

However, a bridge was in existence in the late 17th century when the structure was in a "very ruinous and in greate decay” according to the Northumberland Quarter Sessions for 1687–1697.

[6] Denis Hayford (c.1635–1733), a pioneer of the steel industry, acquired the lease of Allensford furnace and forge in 1692; this was upstream from his established business in Shotley Bridge.

The adjacent woodland forms the Allensford Woods Local Nature Reserve, covering 17.5 hectares (43 acres).