Brandts Buys or Brandts Buijs is the surname of a dynasty of Dutch musicians: * Cornelis Buys (1757–1831), father of Cornelis Alijander * Cornelis Alijander Brandts Buys (1812–1890), father of Marius, Ludwig and Henri * Marius Adrianus Brandts Buys (1840–1911), father of Marius Adrianus and Jan below * Ludwig Felix (Willem Cornelis) Brandts Buys (1847–1917), father of Johann Sebastian * Henri (François Robert) Brandts Buys (1850–1905), * (1879–1939), * Jan Willem Frans Brandts Buys (1868–1933), * Marius Adrianus Brandts Buys (1874–1944), father of Hans * (1905–1959) * Anna Brandts Buys-van Zijp, sculptor and co-author with Johann Sebastian (1879–1939) of a monograph on music in Madura