St. Martin's Workhouse was a workhouse located in the churchyard of St. Martin's-in-the-Fields around 1655. The workhouse was rebuilt and expanded in the 1720s and again enlarged in 1772. It was demolished in c. 1871 and is now the site of Trafalgar Square and the National Gallery.

In London Labour and the London Poor:

The Old Woman “over the Water.” (Volume 2)

An Old Street Showman. (Volume 3)