| Honorific-Prefix: | Lieutenant Commander The Right Honourable |
| The Lord Geddes | |
| Office1: | Deputy Speaker of the House of Lords |
| Term Start1: | 9 December 2002 |
| Office2: | Member of the House of Lords |
| Status2: | Lord Temporal |
| Term Label2: | as a hereditary peer |
| Term Start2: | 20 March 1975 |
| Term End2: | 11 November 1999 |
| Predecessor2: | The 2nd Baron Geddes |
| Successor2: | Seat abolished |
| Term Label3: | as an elected hereditary peer |
| Term Start3: | 11 November 1999 |
| 1Blankname3: | Election |
| 1Namedata3: | 1999 |
| Predecessor3: | Seat established |
| Birth Date: | 3 September 1937 |
| Party: | Conservative |
| Education: | Rugby School |
| Alma Mater: | Gonville and Caius College, Cambridge Harvard Business School |
| Spouse: | |
Euan Michael Ross Geddes, 3rd Baron Geddes (born 3 September 1937) is a British Conservative peer and politician and current deputy speaker of the House of Lords.
Geddes is the son of the 2nd Baron Geddes and the former Enid Mary Butler, only child of Clarence Henry Butler, of Tenterden.
He was educated at Rugby School, then an all-boys public school (i.e. an independent boarding school) in Warwickshire. He studied history at Gonville and Caius College, Cambridge, where he graduated as a Bachelor of Arts (BA) in 1961; as per tradition, his BA was later promoted to a Master of Arts (MA Cantab) degree. He was further educated at Harvard Business School in 1969.[1]
Geddes served in the Royal Navy from 1956 to 1958. On 3 September 1958, he transferred to the Supply Branch of of the Royal Naval Reserve with the rank of sub lieutenant. He was promoted to lieutenant on 3 September 1961, and to lieutenant-commander on 3 September 1969. He was placed on the retired list on 30 November 1971.
Geddes was development manager, P&O Bulk Shipping. He was deputy manager of P&O Asia (Hong Kong) between 1975 and 1977. Since 1992, he has been chair of the Trinity College, London and since 2000 of Chrome Castle Ltd. He is further director of the Trinity College of Music.
He succeeded to his father's title, Baron Geddes, in 1975.
He is one of the ninety hereditary peers selected to remain in the House of Lords after the House of Lords Act 1999. Since 2002, Lord Geddes has been a deputy speaker of the House of Lords.[2]
Lord Geddes has been married twice, first to Gillian Butler in 1966 and, after her death in 1995, to Susan Margaret Carter in 1996. He has two children by his first wife, one daughter and one son, his heir James George Neil Geddes.