Eicher is a German surname. Notable people with the surname include:
Ashley Eicher, on-air entertainment personality from Louisville, Kentucky who competed in the Miss America pageant Benjamin Eicher (born 1974), film director David J. Eicher (born 1961), American amateur astronomer and author Edward C. Eicher (1878–1944), American politician JD Eicher (born 1986), American singer-songwriter Jennifer Eicher (born 1962), Swiss-American equestrian Joanne Eicher (born 1930), American professor John H. Eicher (1921–2016), American chemist Manfred Eicher (born 1943), German record producer, the founder of the ECM record label Stephan Eicher (born 1960), Swiss chansonnier Vitus Eicher (born 1990), German footballer