Lanyon
Lanyon is a surname which originates from the hamlet of Lanyon (Madron), Cornwall, and may refer to:
- Charles Lanyon (1813−1889), English architect
 - George Lanyon Hacker (born 1928), English Suffragan Bishop of Penrith
 - Ellen Lanyon (1926–2013), American painter and printmaker
 - Hastie Lanyon, a fictional character in Strange Case of Dr Jekyll and Mr Hyde
 - John Lanyon Whiting (1851–1922), Canadian lawyer and politician
 - Karen Lanyon, Australian senior career officer of the Department of Foreign Affairs and Trade
 - Mike Lanyon (born 1951), former Australian rules footballer
 - Owen Lanyon (1842−1887), British colonial administrator
 - Peter Lanyon (1918−1964), Cornish painter
 - Ted Lanyon (1939–2008), Canadian retired professional ice hockey player
 - Walter C. Lanyon (1887−1967), English religious writer
 - Wesley E. Lanyon (1926–2017), American ornithologist and museum curator
 - William Carlton Lanyon Dawe, generally known as Carlton Dawe (1865–1935), Australian author
 - William James Lanyon Smith (1922–2018), New Zealand naval officer
 
Places
In Antarctica
- Lanyon Peak, a sharp rock peak in Victoria Land
 - Mount Lanyon, a large mountain in the Prince Charles Mountains
 
In Australia
- Lanyon High School, a school in Canberra
 - Lanyon Homestead, an historic site in Canberra
 - Lanyon Valley, a suburb of Canberra
 
In the United Kingdom
- Lanyon (Madron), a farm and hamlet in Cornwall
 - Lanyon Place railway station, a railway station in Belfast
 - Lanyon Quoit, a dolmen in Cornwall
 - West Lanyon Quoit, a dolmen in Cornwall
 - Lanyon Manor, a manor house in Gwinear Cornwall
 
In the United States of America
- Lanyon, Iowa, an unincorporated area
 
Arts and entertainment
- The Spectre of Lanyon Moor, a Big Finish Productions audio drama
 
Companies
- Lanyon, Lynn and Lanyon, a 19th-century firm of Civil Engineers and Architects in Ireland
 - Lanyon Solutions, a software company