Vaughan and Vaughn are surnames of Welsh origin, also used as a form of the Irish surname McMahon. Vaughan comes from the Welsh word bychan, meaning "small", and corresponds to the English name Little and the Breton cognate Bihan. Notable people with the surname Vaughan include a wide array of individuals from different fields and nationalities, such as American civil engineer and writer Alfred Jefferson Vaughan Jr., English scholar and churchman Charles John Vaughan, British singer Frankie Vaughan, American fighter ace George Augustus Vaughn Jr., and many others. The Vaughan surname has left its mark in various professional domains, from politics and sports to music and literature, showcasing the diverse and impactful contributions of individuals bearing this surname.

Vaughan Oliver (12 September 1957 – 29 December 2019) was a renowned British graphic designer known for his influential work with graphic design studios 23 Envelope and v23. His close relationship with the record label 4AD between 1982 and 1998 resulted in distinct visual identities for 4AD releases by iconic bands such as Pixies, Cocteau Twins, The Breeders, and more. Oliver's album art played a significant role in shaping the aesthetic of 4AD, a cult indie record label. His mysterious and surrealistic qualities in album art were inspired by Salvador Dalí, and his work had a profound impact on the post pop-punk music industry, inspiring countless artists to be different, mysterious, and explorative. Oliver's collaboration with Pixies extended to designing their entire discography, including albums, singles, and box sets. His ethos was always about building individual identities for each project while maintaining a sense of continuity within the catalog. Vaughan Oliver's influential contribution to the music and design industry continues to be celebrated even after his passing, with a book of his work, "Vaughan Oliver: Archive," being published in 2018.

Alan Vaughan Lowe, born in 1952, is a prominent barrister and academic with a specialization in international law. He held the esteemed position of Chichele Professor of Public International Law at the University of Oxford and was a Fellow of All Souls College, Oxford from 1999 to 2012. Lowe's expertise also led him to serve as a visiting professor at the University of Chichester in 2024. His illustrious career includes roles as a Reader in International Law and a Fellow of Corpus Christi College at Cambridge University, as well as teaching positions at Manchester University and Cardiff University. Lowe's educational background includes LLB, LLM, and PhD degrees from the University of Wales in Cardiff, along with MA degrees from Cambridge and Oxford Universities. Notably, he has been honored with honorary LLD degrees from the University of Athens and the University of Chichester. Lowe's legal prowess is further evident through his appointment as Queen's Counsel in 2008 and subsequent recognition with the Order of the Rising Sun, Gold Rays with Neck Ribbon by Japan in the same year. His esteemed career also involves significant involvement in notable cases, where he has served as an arbitrator, judge, and counsel in various international disputes and legal proceedings. Alan Vaughan Lowe's contributions to the field of international law have garnered him widespread acclaim and established him as a leading figure in the legal community.

Vaughan is a city in Ontario, Canada. It may also refer to a given name and surname. In Australia, there is Vaughan, Victoria, and in Canada, Vaughan, Nova Scotia, as well as various other places in the United States. Vaughan's identity is also a mathematical concept, and Vaughan & Bushnell Manufacturing is an American maker of striking tools. Mount Vaughan is a mountain in Antarctica, and Vaughan Building is a building of Somerville College, Oxford. For more information, see Vaughn (disambiguation) or Vawn, Saskatchewan.

Sir Vaughan Allen Lewis, KCSL CBE, is a prominent Saint Lucian politician and former Prime Minister known for his contributions to the United Workers' Party (UWP) and his subsequent transition to the Saint Lucia Labour Party. As the fifth Prime Minister of Saint Lucia, Lewis made significant strides in various ministerial roles, including Finance, Planning and Development, and External Affairs. Despite facing setbacks in the political arena, his academic background as a political science PhD holder from the University of Manchester and his esteemed lineage as the son of St. Lucia's first Governor General and nephew of Nobel laureate Sir Arthur Lewis have solidified his standing as a respected figure in Caribbean politics. Additionally, his marriage to lawyer Shirley Lewis, a former Mayor of Castries, further adds to his influential network. Following his return to academia as a professor at the University of the West Indies, St. Augustine Campus, in Trinidad and Tobago, Lewis continued to contribute to the political landscape, serving as a special advisor in the Ministry of Foreign Affairs after the St. Lucia Labour Party government returned to office in 2011. In recognition of his outstanding service, he was knighted as a member of the Order of Saint Lucia, granting him the title of "Sir" in February 2016, marking a significant honor in his distinguished career.