Liriodendron is a historic home and estate located at Bel Air, Harford County, Maryland, United States.

It was the summer home of Laetitia and Dr Howard Kelly, a successful surgeon and founding member of the Johns Hopkins Medical College, and comprises the mansion named Liriodendron; the Graybeal-Kelly House; a c. 1835 bank barn; a c. 1898 carriage house; a c. 1850 board-and-batten cottage; and five other outbuildings including a corn crib, a smokehouse, two ice houses, and a shed.

The 2+1⁄2-story, stuccoed brick mansion was designed by the Baltimore architectural firm of Wyatt and Nolting in the Georgian Revival style and constructed about 1898.

Liriodendron was listed on the National Register of Historic Places in 1980.

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