Lau is a surname. Notable people with the surname include:
Andy Lau (born 1961), Hong Kong singer and actorAmber Liu (singer) (born 1992), Chinese singer in South Korean girl group f(x)Andrew Lau (born 1960), Hong Kong director and producerCharlie Lau (1933–1984), American catcher and hitting coach in Major League BaseballChristel Lau (born 1944), German field hockey playerEvelyn Lau (born 1971), Canadian writerGordon Lau (1941–1998), American politicianHans E. Lau (1879–1918), Danish astronomerHawick Lau, Hong Kong actorHenry Lau (born 1989), Chinese singer in South Korean subgroup Super Junior-MJean Marie du Lau (1738–1792), Archbishop of Arles, killed during the French RevolutionLaurence Lau (born 1954), American actorSean Lau (born 1964), Hong Kong actorSusanna Lau, aka "Susie Bubble", British fashion blogger and journalistWesley Lau (born 1921), American film and television actorYisrael Meir Lau (born 1937), former Orthodox Ashkenazi Chief Rabbi of Israel