Sebastian Newbold Coe, Baron Coe, CH, KBE, Hon FRIBA (born 29 September 1956), often referred to as Seb Coe, is a British sports administrator, former politician and retired track and field athlete. As a middle-distance runner, Coe won four Olympic medals, including 1500 metres gold medals at the Olympic Games in 1980 and 1984. He set nine outdoor and three indoor world records in middle-distance track events – including, in 1979, setting three world records in the space of 41 days – and the world record he set in the 800 metres in 1981 remained unbroken until 1997. Coe's rivalries with fellow Britons Steve Ovett and Steve Cram dominated middle-distance racing for much of the 1980s.

Following Coe's retirement from athletics, he was a Conservative member of parliament from 1992 to 1997 for Falmouth and Camborne in Cornwall, and became a Life Peer on 16 May 2000.

Coe headed the successful London 2012 Olympic bid for the 2012 Summer Olympics and became chairman of the London Organising Committee for the Olympic Games. In 2007, he was elected a vice-president of the International Association of Athletics Federations (IAAF), and re-elected for another four-year term in 2011. In August 2015, he was elected president of the IAAF.

In 2012, Coe was appointed Pro-Chancellor of Loughborough University where he had been an undergraduate. Subsequently, in 2017, he was appointed as Chancellor. He is also a member of Loughborough University's governing body. He was one of 24 athletes inducted as inaugural members of the IAAF Hall of Fame. In November 2012, he was appointed chairman of the British Olympic Association. Coe was presented with the Lifetime Achievement award at the BBC Sports Personality of the Year in December 2012.

At the 2024 Millrose Games, Coe was awarded The Armory's Presidents Award.

Coe was born on 29 September 1956 at Queen Charlotte's and Chelsea Hospital, Hammersmith, London. His father was athletics coach Peter Coe and his mother, Tina Angela Lal, was of half Indian descent, born to a Punjabi father, Sardari Lal Malhotra, and an English/Irish mother, Vera (née Swan).^{[citation needed]}

When he was less than a year old, Coe and his family moved to Warwickshire, where he later attended Bridgetown Primary School and Hugh Clopton Secondary School in Stratford-upon-Avon. The family then moved to Sheffield where he attended Tapton School, a secondary modern school, at Crosspool which became a comprehensive school while he was there and Abbeydale Grange School. He joined Hallamshire Harriers at the age of 12, and soon became a middle-distance specialist, having been inspired by David Jackson, a geography teacher at Tapton School who had been a cross-country runner. Coe was coached by his own father and represented Loughborough University and later Haringey AC, now Enfield and Haringey Athletic Club when not competing for his country.

Coe studied Economics and Social History at Loughborough University, where he met George Gandy, the university's strength and conditioning coach, whose already well-established exercises for Loughborough Students RUFC strengthened and conditioned Coe. Coe won his first major race at the 1977 European indoor championships 800 metres in San Sebastián, Spain.