Borthwick is a surname of Scottish origin. 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
William Borthwick
William Borthwick, 1st Lord Borthwick (died 1458), Scottish peer and ambassador
William Borthwick, 2nd Lord Borthwick (died 1483), Scottish ambassador to England William Borthwick, 3rd Lord Borthwick (died 1503), Scottish nobleman and ambassador William Borthwick, 4th Lord Borthwick (died 1542), Scottish nobleman William Jason Maxwell Borthwick (1910–1998), British Royal Navy officer William Borthwick (mayor) (1848–1928), mayor of Ottawa, 1895–1896 Bill Borthwick (1924–2001), Australian politician