Sarrus is the last name of :
Pierre-Auguste Sarrus (1813 in Saint-Affrique – 1876 in Paris), French musician and inventor
Pierre Frédéric Sarrus (1798 in Saint-Affrique – 1861), French mathematician
Sarrus may also refer to:
Sarrus linkage, a mechanical linkage invented by Pierre Frédéric Sarrus
Sarrusophone, a musical instrument named after Pierre-Auguste Sarrus