Peter Foxcroft (1819 – 3 April 1896) was an English cotton mill manager, inventor, Bible Christian Church preacher, and vegetarianism activist.

[2]: 171  He criticised Francis William Newman for allowing associate memberships in the Society[3]: 43  for individuals who wanted to be members but were not fully vegetarian.

At the time of their marriage, Foxcroft was a 30-year-old bookkeeper residing in Berkley Street, Manchester, while Esther, aged 35, was the daughter of George Horrocks, a dyer.

[1] In 1851, Foxcroft and his wife stayed at the home of James Simpson, a fellow member of the Bible Christian Church, in Fox Hill Bank, Oswaldtwistle, Lancashire.

[6] In 1856, Foxcroft, along with John and Charles Tysoe, were granted a patent for improvements in machinery or apparatus for roving, spinning, and doubling cotton and other fibrous substances.

[1] In 1857, Foxcroft and William Crighton, a machinist, were granted a patent for improvements in machinery or equipment for processing cotton wool or other fibrous materials.

[1] In 1870, a 13-year-old girl died at the cotton mill, leading the factory inspector to attempt prosecution against a spinning mule minder, for which Foxcroft provided evidence.

Foxcroft claimed he had not consumed meat, fish, or fowl for 31 years and credited his vegetarian diet for alleviating his indigestion and avoiding medical expenses.