Merz is a German surname. Notable people with the surname include:
Aaron Merz (b. 1983), US football playerAlbert Merz (?-1941), One of 3 German brothers (w August and Rudolf) who were imprisoned in Nazi Germany for refusing to bear arms. He was executed.Alessia Merz (b. 1974), Italian television personalityAnnette Merz (fl. 1990s), German Protestant theologian, biblical scholarAlfred Merz (1880–1925), Austrian-German oceanologistBruno Merz (b. 1976), New Zealand-born musician, composer, working in NetherlandsCharles Hesterman Merz (1874–1940), Pioneer of the National Grid UKCharlie Merz (1888–1952) US racecar driverCurt Merz (b. 1938), US football playerFriedrich Merz (b. 1955), German politician (CDU)Georg Merz (1793-1867), German optical instruments manufacturerHans-Rudolf Merz (b. 1942), President of Switzerland (2009)HG Merz (b. 1947), German architect, museum designerIvan Merz (1896–1928), blessed, Croatian Catholic lay activistJoachim Merz (b. 1948), German economistJohn Theodore Merz (1840-1922), English-born German chemist, historian, industrialistJon F. Merz (fl. 1990s), US authorJoseph Anton Merz (1681–1750), German painterKarl Spruner von Merz (1803-1892), German cartographer, scholarKlaus Merz (b. 1945), Swiss writerLouis L. Merz (1908-2002), Political figure in US state of WisconsinMarkus Merz, founder of software company OScarMario Merz (1925–2003), Italian artistMarisa Merz (b. 1928), Italian sculptor, widow of Mario MerzMatthias Merz (b. 1984), Swiss mountaineerMichael Merz (b. 1979), US boxerMischa Merz (b. 1967), Australian boxer, painter, journalistOtto Merz (1889-1933), German racecar driverRobert Merz (1887-1914), Austrian football (soccer) playerSue Merz (b. 1972), US ice hockey player, Olympic athlete (1998)William Merz (1878-1946), US gymnast, Olympic athlete (1904)