Robert Harington, 3rd Baron Harington of Gleaston Castle in the manor of Aldingham in Furness, Lancashire, was an English peer.
Background
He was born at Gleaston Hall in the manor of Aldingham, and was baptised at Aldingham. He was the son and heir of John Harington, 2nd Baron Harington (1328-1363) by his wife, whose name is not known, possibly she was Joan de Birmingham, his step-sister.
Career
He rebuilt his ancestral seat as a castle, recorded for the first time in 1389 as Gleaston Castle. He died on 21 May 1406 at Aldingham.