Waterlow is a surname. Notable people with the surname include:
Sir Sydney Waterlow, 1st Baronet, KCVO (1822–1906), English philanthropist and politicianClaude Waterlow Ferrier (1879–1935), Scottish architect, who specialised in the Art Deco styleWaterlow and Sons, major worldwide engraver of currency, postage stamps, stocks and bond certificates, based in EnglandDavid Waterlow (1857–1924), British Liberal Party politician and businessmanErnest Waterlow RA (1850–1919), English painterJohn Waterlow (1916–2010), British physiologist who specialised in childhood malnutritionNick Waterlow, curator at the Ivan Dougherty Gallery in Sydney, Australia until his death in November 2009Sydney Waterlow (diplomat) (1878–1944), British diplomat, Ambassador to Greece from 1933 to 1939Waterlow baronets created for members of the Waterlow family, both in the Baronetage of the United Kingdom