Petrus (surname)

The surname Petrus may refer to:
 * Annick Petrus (born 1961), French Saint Martinois politician
 * Brent Petrus (born 1975), American football player
 * Jacques Fred Petrus (1948–1987), French-Italian business man
 * Junauda Petrus (born 1981), American author and performance artist
 * Lars Petrus (born 1960), Swedish speedcuber and inventor of the Petrus method
 * Mitch Petrus (1987–2019), American football player