The surname Brost derives from the Middle High German brobest, meaning supervisor. Notable people with the surname include:

Erich Brost (1903–1995), German journalist and publisher Gudrun Brost (1910–1993), Swedish actress Johannes Brost (1946–2018), Swedish actor Lambert Brost (1835–1909), American member of the Wisconsin State Assembly Ray Henderson (1896–1970), American songwriter (born Raymond Brost) Todd Brost (born 1967), Canadian ice hockey player and coach

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