Peca may refer to:
People Matthew Peca (born 1993), Canadian ice hockey player Michael Peca (born 1974), Canadian ice hockey coach, former player
Places Peca Castle, 6th century BC castle in northeastern Albania Peca (mountain), in the Karawanks, Slovenia–Austria border La Peca, town in Bagua Province, Peru La Peca District, containing the town
Other uses Peça, unit of value in the slave trade through the Cape Verde Islands PECA Ordinance, for Pakistan's Prevention of Electronic Crimes Act, 2016