Auld is a surname. Notable people with the name include:
- Alex Auld (born 1981), Canadian hockey player
- Andrew Auld (1799–1873), Scottish ship's carpenter in Hawaii
- Andy Auld (1900–1977), Scottish-American soccer player
- Bertie Auld (born 1938), Scottish football player and manager
- Cathy Auld, Canadian curler
- Doug Auld (born 1962), American editor and publisher of Sprint Car & Midget Magazine
- Eric Auld (1931–2013), Scottish painter
- F. H. Auld (1881–1961), Canadian agricultural scientist and Saskatchewan's Deputy Minister of Agriculture
- Georgie Auld (1919–1990), Canadian-American jazz tenor saxophonist, clarinetist and bandleader
- James Auld (disambiguation), multiple people, including:
- James Auld (politician) (1921–1982), Canadian politician
- James Muir Auld (1879–1942), Australian artist
- Jim Auld, New Zealand rugby league player
- John Allan Auld (1853–1924), Canadian newspaper owner and politician
- Patrick Auld, Australian winemaker, father of W. P. Auld
- Robin Auld (born 1937), judge in the English Court of Appeal
- Robin Auld (musician) (born 1959), South African singer-songwriter, guitarist, poet and writer
- W. P. Auld (1840–1912), Australian explorer, wine maker and merchant
- William Auld (1924–2006), Scottish author and Esperanto leader
See also
- Ault
- Auld's Cove, Nova Scotia
- Old (surname)