Cosmo Nelson Innes FRSE (9 September 1798, Durris-on-Deeside – 31 Julie 1874, Killin) wis a Scots advocate, juidge, historian an antiquary. He served as Advocate-Depute, Shirra o Elginshire, an Principal Clark o Session.

The Innes office at 51 North Castle Street, Edinburgh (richt door)