Lordes | Titles by Rank
- Barons Rockley
- Barons Rockville
- Barons Romsey
- Barons Rosehill
- Barons Ross of Halkhead
- Barons Rotherwick
- Barons Ruthven
- Barons Ruthven de Freeland
- Barons Saint John
- Barons Scales
- Barons Schivas
- Barons Scott de Buccleuch
- Barons Scott de Whitchester
- Barons Scrope
- Barons Scrope de Bolton
- Barons Scrymgeour
- Barons Seagrave
- Barons Selkirk de Douglas
- Barons Selsey
- Barons Seton
- Barons Settrington
- Barons Seymour
- Barons Sheffield
- Barons Sherborne
- Barons Shuttleworth
- Barons Silchester
- Barons Silsoe
- Barons Sinclair
- Barons Slane
- Barons Soames
- Barons Southampton
- Barons Spencer
- Barons Spynie
- Barons St. George
- Barons St. John of Basing
- Barons St.Just
- Barons St.Levan
- Barons Stafford
- Barons Stanhope
- Barons Stanley
- Barons Stanley de Alderley
- Barons Stenton
- Barons Stewart
- Barons Stourton
- Barons Strange
- Barons Strange de Blackmere
- Barons Strathcona and Mount Royal
- Barons Strathnaver
- Barons Stuart de Decies
- Barons Sudeley