Stuart Kinnaird Monro OBE, FRSGS, FRSE (born 3 March 1947) is a Scottish geologist and science communicator.

He took up the post of Scientific Director at Our Dynamic Earth on a permanent, part-time, basis on retiring from the British Geological Survey in 2004.

He is honorary geological adviser to the John Muir Trust and in 2005 he was appointed by Scottish Ministers as a Trustee of the National Museums of Scotland, a role he continued till 2013.

He was awarded the title of Officer of the Order of the British Empire (OBE) for services to science in HM Queen Elizabeth II's New Year Honours list, announced on 30 December 2006.

In 2021, the Geological Society reprimanded Monro after allegations he "shouted, spat and made sexist comments" at Anna Grayson, former host of Natural World, at a 1999 Geological Society event, determining that he had behaved in an "unprofessional manner".