Nailsworth is a suburb four km north of Adelaide, South Australia.

The suburb borders Sefton Park, Prospect, Broadview, Medindie Gardens and Collinswood.

The North Road Cemetery is located within the suburb and was founded by Bishop Augustus Short in 1853.

Nailsworth is located in the City of Prospect local government area.

A series of transactions in Adelaide's early history led to the establishment of Nailsworth.