Ladner (surname)
Ladner is a surname. Notable people with the surname include:
- Benjamin Ladner, academic philosopher and theologian
- Bobby Ladner, American football coach
- Don Ladner, a New Zealand rugby league player
- Jay Ladner, American basketball coach
- Joyce Ladner, United States civil rights activist, author, civil servant and sociologist
- Kurt Ladner, a pen name of Nelson DeMille
- Leon Johnson Ladner, Canadian lawyer and Conservative politician
- Luca Ladner, Swiss footballer
- Marco Ladner, Austrian freestyle skier
- Matthew Ladner
- Peter Ladner, Vancouver city councillor
- Richard E. Ladner, of Ladner's theorem in computational complexity
- Wendell Ladner, American professional basketball player
- William Henry Ladner, English-born miner, farmer and political figure in British Columbia
