Blacher is a surname. Notable people with the surname include:
Boris Blacher (1903–1975), German composer Borislav Blacher, birth name of Boryslav Bereza, Ukrainian politician Kolja Blacher (born 1963), German violinist, son of Boris Blacher Sarah Blacher Cohen (1936–2008), writer and scholar Tatjana Blacher (born 1956), German actress; daughter of Boris Blacher
See also Blücher (surname)
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