Walder
Walder is a surname. Notable people with the surname include:
- Albert Walder, Italian cross country skier who competed from 1985 to 1988
- Andrew G. Walder, American political sociologist
- Chaim Walder, bestselling Haredi children's writer
- Dave Walder, rugby union footballer who plays at fly-half for Wasps
- David Walder, British Conservative Party politician
- Erick Walder, American long jumper
- Francis Walder, Belgian writer and soldier
- Jay Walder, the chairman and chief executive officer of the Metropolitan Transportation Authority in New York
- Katie Walder, American actress
- Russel Walder, American jazz oboist
- Samuel Walder, Australian politician and businessman
- Walder Frey, a fictional character in George R.R. Martin's A Song of Fire and Ice