Linn is a surname. Notable people with the surname include:
Amnon Linn (1924–2016), Israeli politician Bettina Linn (1905–1962), American novelist and college professor George Ward Linn (1884-1966), American philatelist and journal publisher Grace Walls Linn (1874-1940), American composer James Weber Linn (1876–1939), American politician and educator Karl Linn (1923–2005), landscape architect, psychologist, educator, and community activist Lewis F. Linn (1796-1843), U.S. Senator of Missouri Rex Linn (born 1956), American actor Richard Linn, Senior Judge U.S. Court of Appeals for the Federal Circuit Robert Linn (politician) (1908–2004), American politician Robert Linn (composer) (1925–1999), American composer Robert L. Linn (1938–2015), American educational psychologist Roger Linn, inventor of the Linn LM-1, the first programmable digital drum machine William Linn (clergyman) (1752–1808), President of Queen's College (now Rutgers University) and Chaplain of the United States House of Representatives William Linn (soldier) (died 1836?), believed to have fought and died in the Battle of the Alamo William Alexander Linn (1846–1917), American journalist and historian
See also Lin (surname) Lynn (surname)