Fiers

Fiers may refer to:


 * Alan Fiers (born 1939), American Central Intelligence Agency official
 * Mike Fiers (born 1985), American professional baseball player
 * Nadine Fiers (born 1966), Belgian racing cyclist
 * Walter Fiers (1931–2019), Belgian molecular biologist
 * Gustav Fiers, a Marvel Comics supervillain and enemy of Spider-Man known by the alias "the Gentleman"