George Keith (1638/1639 – 27 March 1716) was a Scottish Presbyterian turned Quaker turned Anglican. He was born in Peterhead, Aberdeenshire, Scotland, to a Presbyterian family and received an M.A. from the University of Aberdeen. Keith joined the Religious Society of Friends (Quakers) in the 1660s, accompanying George Fox, William Penn, and Robert Barclay on a mission to the Netherlands and Germany in 1677.