Robert de Ros, 1st Baron Ros de Werke (died c.1297), Lord of Warke and Sanquhar was an English noble.
[2] Robert joined the Scots in 1296 and fought against the English.
His English estates and titles were attainted by King Edward I of England for his treason.
His younger brother William inherited his mother's Kendal estate.
Robert married Laura, whose parentage is currently unknown.