Johnston Building was a historic wholesale building located at Baltimore, Maryland, United States designed by Jackson C. Gott.

The cast iron façade reflected the influence of the Queen Anne style.

It housed wholesale companies dealing in tobacco, hats, shoes, clothing, and home and office furnishings, including Samuel Hecht, Jr. & Sons.

[2] Johnston Building was listed on the National Register of Historic Places in 1994.

This article about a Registered Historic Place in Baltimore is a stub.