Ladd and may refer to:
surnames:
- Alan Ladd (1913–1964), American film actor
- Alan Ladd, Jr. (b. 1937), American film industry executive and producer
- Andrew Ladd (b. 1985), Canadian ice hockey player
- Azel P. Ladd (1811-1854), American educator
- Cheryl Ladd (b. 1951), American actress and singer
- Diane Ladd (b. 1932), American actress
- Donna Ladd (b. 1961), American journalist
- Edwin F. Ladd (1859-1925), American politician
- George Ladd (Medal of Honor recipient), American Civil War soldier
- George Eldon Ladd (1911-1982), American minister and professor
- George Trumbull Ladd (1842-1921), American philosopher and psychologist
- Herbert W. Ladd (1843-1913), American politician
- Ernie Ladd (1938-2007), American football player and wrestler
- Jim Ladd (b. 1948), American radio personality
- Jordan Ladd (b. 1975), American actress
- Kate Macy Ladd (1863-1945), American philanthropist
- Margaret Ladd (b. 1942), American actress
- Mike Ladd, American musician
- Mike Ladd (poet) (b. 1959), Australian poet
- PJ Ladd (b. 1983), American skateboarder
- William Ladd (1778-1841), American philanthropist and peace advocate
- William S. Ladd (1826-1893), American banker and politician
places:
- Ladd, Illinois, village in Bureau County, Illinois, United States
- Ladd, Virginia, village in Augusta County, Virginia, United States
Ladd may also refer to:
- Ladd's Addition, a neighborhood of Portland, Oregon, United States
- Ladd Arboretum, arboretum in Evanston, Illinois, United States
- Ladd Army Airfield, military airfield at Fort Jonathan Wainwright, Fairbanks, Alaska, United States
- LADD Furniture, now part of La-Z-Boy
- Ladd Observatory, astronomical observatory of Brown University, Providence, Rhode Island, United States
- The Ladd Company, film production and distribution company