Rhynie is a village in Aberdeenshire, Scotland. It is on the A97 road, 14 miles northwest of Alford. The Rhynie Chert is named after the village, as is the fossil plant genus Rhynia. The Rhynie Chert is a sediment deposited in the Devonian period, contained important fossils that shows land ecosystem of the Devonian. The missionary, teacher and chocolatier Alexander Murdoch Mackay was born in Rhynie on 13 October 1849.