1921 establishments in England

Jonathan Cape is a British publishing firm headquartered in London and founded in 1921 by Herbert Jonathan Cape, who was head of the firm until his death.

A. L. Simpkin & Co. Ltd are a company of confectionery makers based in Sheffield, England. The firm's premises are located on Hunter Road in the Hillsborough area of the city.

Football Club Parson Drove is a football club based in Parson Drove, Cambridgeshire, England. They are currently members of the Eastern Counties League Division One North and play at Main Road.

Founded in 1921, English PEN is one of the world's first non-governmental organisations and among the first international bodies advocating for human rights. English PEN was the founding centre of PEN International, a worldwide writers' association with 145 centres in more than 100 countries. The President of English PEN is Margaret Busby, succeeding Philippe Sands in April 2023. The Director is Daniel Gorman. The Chair is Ruth Borthwick.

King's Oak Academy, formerly Kingsfield School and Kingswood Grammar School, is a Mathematics and Computing College located in Kingswood in Bristol, England. The education authority Ofsted rated it as "good" in 2018.

Priory Preparatory School was a preparatory school in Banstead, Surrey, England, for boys aged two to thirteen years, which was closed in 2017. The school was a member of the Independent Association of Preparatory Schools (IAPS) and of the Independent Schools Council (ISC). It was founded in 1921, and was a charitable trust. Upon closure in 2017, pupils moved to the new Banstead Preparatory School at the site formerly occupied by Greenacre School for Girls. The school's buildings at the old site on Bolters Lane, including the historic mansion known as the Red House were demolished in January 2021 to make way for the development of retirement apartments.

The Cirencester and District League was a football competition based in Gloucestershire, England. It had one division and at level 15 of the English football league system until folding in 2020. It was a feeder to the Cheltenham League or the Stroud League with the champion club being able to progress at a level appropriate to its Gloucestershire County FA County Cup classification.Under the terms of a sponsorship deal, the C&DFL is currently known as the M4 Karting Cirencester and District League. The league is affiliated to the Gloucestershire County FA.

Welwyn Garden City Football Club is a football club based in Welwyn Garden City, Hertfordshire . They currently play in the Southern League Division One Central.

Guildford City Football Club (formerly Guildford United and AFC Guildford) is a football club based in Guildford, Surrey, England. The club was established in 1921, folded in 1974 and was reformed in 1996. Guildford City play in the Combined Counties League Premier Division South.

Spalding United Football Club is a football club based in Spalding, Lincolnshire, England. The club are currently members of the Southern League Premier Division Central and play at the Sir Halley Stewart Field.