Borthwick is a surname of Scottish origin.[1] Notable people with the surname include:
- Alastair Borthwick
- Albert William Borthwick (1872–1937), Scottish botanist and professor of forestry at the University of Aberdeen
- Algernon Borthwick, 1st Baron Glenesk
- Bill Borthwick - see William Borthwick below
- David Borthwick, Australian public servant
- Emily Borthwick (born 1997), British high jumper
- Gabrielle Borthwick (1866–1952), pioneering motorist and mechanic
- Jack Borthwick (Australian footballer) (1884–1948), Australian rules footballer
- Jack Borthwick (footballer, born 1886) (1886–1942), Scottish football centre half
- Jamie Borthwick (born 1994), English actor
- Jessica Borthwick (1888–1946), British filmmaker and sculptor
- John Borthwick (disambiguation)
- John Borthwick (footballer) (born 1964), English footballer
- John Borthwick (veterinary surgeon) (1867–1936), veterinary surgeon in the Cape Colony, South Africa
- Sir John Thomas Borthwick, 3rd Baronet (1917–2002) of the Borthwick baronets
- John Borthwick, 5th Lord Borthwick (died 1566)
- John Borthwick, 8th Lord Borthwick (died 1623)
- John Borthwick, 9th Lord Borthwick (1616–1675) (dormant 1675)
- John David Borthwick
- John David Borthwick (1824–1892), Scottish journalist and author
- John Henry Stuart Borthwick, 23rd Lord Borthwick (1905–1996) (confirmed in title 1986)
- John Hugh Borthwick, 24th Lord Borthwick (born 1940)
- Mamah Borthwick
- Mark Borthwick
- Peter Borthwick
- Ruth Borthwick, chair of English PEN
- Scott Borthwick
- Stephen Borthwick (Headmaster of Epsom College)
- Steve Borthwick, English international rugby union player
- Walter Borthwick (1948–2021), Scottish football player and manager