Ladner is a surname of Cornish origin. It's likely derived from the name 'Lanner', which itself derives from the Cornish word 'Lannergh',[1] meaning 'clearing'.
Whilst the origin is unrelated, the name is also found in Austria, likely indicating someone from various places named 'Laden' or 'Ladendorf'. The name may also be a variant of Lautner. Notable people with the surname include:
- André Ladner (born 1962), Swiss former footballer
- Benjamin Ladner (born 1941), American academic philosopher and theologian
- Bobby Ladner, American football coach
- Don Ladner (1948–2009), New Zealand rugby player
- Dorie Ladner (1942–2024), American civil rights activist and social worker
- Heber Austin Ladner (1902–1989), Secretary of State of Mississippi
- Jay Ladner (born 1965), American basketball coach
- Joyce Ladner (born 1943), American civil rights activist, author, civil servant and sociologist
- Kurt Ladner, a pen name of Nelson DeMille
- Leon Johnson Ladner (1884–1978), Canadian lawyer and Conservative politician
- Luca Ladner (born 1989), Swiss footballer
- Marco Ladner (born 1998), Austrian freestyle skier
- Mark Ladner, American chef and restaurateur
- Peter Ladner (born 1949), Vancouver city councillor
- Rose Diane Ladner, birth name of Diane Ladd, American actress
- Richard E. Ladner (born 1943), American computer scientist
- Timmy Ladner (born 1963), American politician
- Trish Ladner, American politician
- Wendell Ladner (1948–1975), American basketball player
- William Henry Ladner (1826–1907), English-born miner, farmer and political figure in British Columbia