John Penn may refer to:
John Penn (14 July 1729 – 9 February 1795) was the last governor of colonial Pennsylvania, serving in that office from 1763 to 1771 and from 1773 to 1776. Educated in Britain and Switzerland, he was also one of the Penn family proprietors of the Province of Pennsylvania from 1771 until 1776, holding a one-fourth share, when the creation of the independent Commonwealth of Pennsylvania during the American Revolution removed the Penn family from power.
Held in exile in New Jersey after the British occupation of Philadelphia, Penn and his wife returned to the city in July 1778, following the British evacuation. After the war, the unsold lands of the proprietorship were confiscated by the new state government, but it provided Penn and his cousin, John Penn "of Stoke", who held three-fourths of the proprietorship, with compensation. They both appealed as well to Parliament, which granted them more compensation.
John Penn was born in London, the eldest son of Richard Penn and Hannah Lardner. His father Richard had inherited a one-fourth interest in the Pennsylvania proprietorship from his father, the Pennsylvania founder William Penn. It provided the family a fairly comfortable living. Richard's older brother Thomas Penn controlled the other three-fourths of the proprietorship. As Thomas did not have any sons while John Penn was in his youth, the younger man was in line to inherit the entire proprietorship (one-fourth from his father and three-fourths from his paternal uncle). John Penn's upbringing and conduct was of concern to the entire family.
John Penn (aka "John Penn, Jr.", "John Penn of Stoke") (22 February 1760 – 21 June 1834) was the chief proprietor of the Province of Pennsylvania as of 1775 (now the Commonwealth of Pennsylvania, United States), and also a politician and writer. He and his cousin, John Penn ("John Penn the Governor") held unsold property, of 24,000,000 acres (97,000 km2), which the Pennsylvania legislature confiscated after the American Revolution.
Penn lived in Philadelphia for five years after the Revolution, from 1783-1788, building a country house just outside the city. He returned to Great Britain in 1789 after receiving his three-fourths portion of £130,000, the compensation for the proprietorship by the Pennsylvania government. He and his cousin John Penn, who remained a resident in the United States, also received compensation from Parliament for their losses in the former colony.
In 1798 Penn was appointed as High Sheriff of Buckinghamshire, and served as a Member of Parliament (1802-1805). He was appointed in 1805 as governor of the Isle of Portland. Also a writer, he published in a variety of genres.
John Penn and Sons was an English engineering company based in London, England, mainly known for its marine steam engines.
In 1799 engineer and millwright John Penn (born in Taunton, Somerset, 1770; died 6 June 1843) started an agricultural engineering business on the site at the junction of Blackheath and Lewisham Roads (close to modern-day Deptford Bridge) in south-east London. It grew in two decades to be one of the major engineering works in the London area. The focus of the firm remained in agriculture until the 1830s and 1840s, when Penn's son, also John Penn, took over the company and it began to specialise in building marine steam engines.