Loudon (name)

Loudon is both a surname and a given name. Notable people with the name include:

Surname:
 * Alex Loudon (born 1980), English cricketer
 * Chris Loudon (born 1985), Scottish darts player
 * Dave Loudon (born 1954), Scottish cricketer
 * Dorothy Loudon (1933–2003), Broadway actress
 * Ernst Gideon Freiherr von Laudon, often written as Loudon (1717–1790), Austrian general
 * Harald von Loudon (1876–1959), Baltic-German ornithologist
 * Irvine Loudon (1924–2015), British doctor, medical historian and artist
 * James Loudon (1841–1916), Canadian professor of physics
 * James Loudon (politician) (1824–1900), Dutch politician, governor of Dutch East Indies
 * Jane Loudon (née Webb, 1807–1858), English novelist and horticulturist
 * Johann Ludwig Alexius von Loudon (1767–1822), Austrian general
 * John Claudius Loudon (1783–1843), Scottish botanist
 * John Loudon (minister) (1866–1955), Dutch politician and statesman
 * John Hugo Loudon (1905–1996), Dutch CEO of Royal Dutch Shell, and president of the WWF
 * John William Loudon (born 1967), Missouri state senator
 * Margracia Loudon (c.1788–1860), Irish novelist and political author
 * Peter Loudon (born 1966), Scottish curler
 * Rodney Loudon (1934-2022), British quantum physicist
 * Thomas Loudon (1883–1968), Canadian rower
 * Trevor Loudon, New Zealand political activist
 * William James Loudon (1860–1951), Canadian geologist and photographer

Given name:
 * Loudon Wainwright, Jr. (1924–1988), American writer
 * Loudon Wainwright III (born 1946), American musician
 * William Loudon Mollison (1851–1929), Scottish mathematician and academic