Llácer or Llacer is a given name and a surname. Notable people with the name include:
Àngel Llàcer (born 1974), Spanish actor, television presenter and drama teacher Francis Llacer (born 1971), French former professional footballer Hector Cabrera Llacer (born 1994), Spanish Paralympic athlete (javelin, shot put, discus) José Pérez Llácer (1927–2006), Spanish racing cyclist Roel Caboverde Llacer (born 1947), Cuban painter Francisco Llácer Pla (1918–2002), Spanish composer and choral conductor Enrique Llácer Soler (1934–2024), Spanish jazz and classical percussionist and composer