William Strachen Simpson Ladell
British physiologist
- Born: 1912-01-14
- Died: 1970-12-03
- Country of citizenship: United Kingdom
- Occupation: physiologist
- Educated at: Sidney Sussex College
- VIAF ID: https://viaf.org/viaf/317108219
- WorldCat Identities ID: https://worldcat.org/identities/lccn-no2015101587
- Library of Congress authority ID: https://id.loc.gov/authorities/names/no2015101587