Killiechassie is a country estate and house near Weem, about one mile (two kilometres) northeast of Aberfeldy,[3] in Perth and Kinross, Scotland.

[8] According to legend, Bonnie Prince Charlie was reputed to have sheltered in a sycamore tree here on his retreat to Inverness in 1746 during the Jacobite rising of 1745–46.

[10] In 1850, the estate was documented to be held by a Miss Fleming, when it was described by poet David Millar as "almost opposite Aberfeldy, a sweet place, but capable of much greater embellishment.

The Laird of Killiechassie is listed in the 1956 Scottish Record Society publication A Directory of Landownership in Scotland, c. 1770, ed.

A freestanding dovecote, built from rubble at this time, is a grade B listed feature, having a "Gothic, symmetrical frontage with centre tower and pyramid roof", with jerkin-head gables.