Allchin
Allchin is a surname which may refer to:
- Bridget Allchin (1927–2017), British archaeologist
- Donald Allchin (1930–2010), British Anglican priest and theologian
- Jim Allchin (born 1951), American blues rock guitarist, computer scientist, and philanthropist
- Raymond Allchin (1923–2010), British archaeologist
- Sir William Allchin (1846–1912), English physician and lecturer