Bacher is a surname. Notable people with the surname include:

• Adam Bacher (born 1973), South African cricketer
• Ali Bacher (born 1942), South African cricketer and cricket official
• Dominik Bacher (born 2002), German footballer
• Edvard Bacher (1875–1961), Finnish Olympic sports shooter
• Enrico Bacher (1940–2021), Italian ice hockey player who competed at the 1964 Winter Olympics
• Gertrud Bacher (born 1971), Italian heptathlete
• Ingrid Bachér (born 1930), pen name for Ingrid Erben, German writer
• Julius Bacher (1810–1889), German playwright and novelist
• Lutz Bacher (1943–2019), American artist
• Mario Bacher (1941–2014), Italian ski mountaineer and cross-country skier
• Michael Bacher (b. 1988) Italian footballer
• Robert Bacher (1905–2004), American nuclear physicist
• Sandra Bacher, wrestling champion and Olympic judo competitor
• Simon Bacher (1823–1891), Hungarian poet
• Tom Bacher, Danish badminton player
• Wilhelm Bacher (1850–1913), Hungarian scholar, Orientalist, and linguist