Jaccard is a surname. Notable people with the surname include: Auguste Jaccard (1833–1895), Swiss geologist and paleontologist Fernand Jaccard (1907–2008), Swiss footballer James Jaccard (born 1949), American psychologist and social work researcher Marius Jaccard (1898–1978), Swiss ice hockey player Mark Jaccard (born 1955) Canadian economist and academic Jacques Jaccard (1886–1960), American director (born 1964), 1990 winner of the Swiss bike race Giro del Mendrisiotto Paul Jaccard (1868–1944), Swiss botanist and academic Richard Alonzo Jaccard (1918–1942), U.S. Navy ensign, USS Jaccard was named after him Roland Jaccard (1941–2021), Swiss writer and psychologist Francis Jaccard (1745–1862), a Vietnamese Martyr See also Jacquard (disambiguation)