Piera refers to a municipality that covers a large portion of the southeastern corner of the comarca of Anoia in Catalonia, Spain. It may also refer to:
People with the given name Piera Piera Aiello (born 1967), Italian police informant and politician Piera Aulagnier (1923–1990), French psychiatrist and psychoanalyst Piera Coppola (born 1968), American voice actress Piera Degli Esposti (1938–2021), Italian actress Piera Fatehial, Pakistani politician Piera Hudson (born 1996), New Zealander alpine skier Piera-Cassandra Maglio (born 1976), Italian footballer Piera McArthur (born 1929), New Zealand painter Piera Martell (born 1943), Swiss singer Piera Pistono (born 1938), Italian pianist and composer Piera Tizzoni (born 1940), Italian long jumper Piera Verri (1913–2006), Italian basketball player
People with the surname Piera Fran Piera, Spanish footballer Nuria Piera (born 1960), Dominican journalist Vicente Piera (1903–1960), Spanish footballer Fermín Martín Piera (1954–2001), Spanish taxonomist Salva Piera (born 1991), Spanish field hockey player Josep Tomàs i Piera (1900–1976), Catalan lawyer and politician Julia Piera (born 1970), Spanish contemporary poet
Other The Story of Piera, a 1983 Italian drama Haetera piera, a butterfly species La sombra de Piera, Venezuelan telenovela broadcast Piera Observatory, astronomical observatory