Ellerslie is a historic home located at Port Tobacco, Charles County, Maryland, United States.

It is a two-story frame house of basic Georgian styling, with two exterior chimneys at each end.

It was possibly built as early as the mid 18th century, and was extensively altered and enlarged about 1790–1820.

Ellerslie was listed on the National Register of Historic Places in 1979.

This article about a Registered Historic Place in Charles County, Maryland is a stub.