Lucero may refer to:

• Lucero a Spanish given name
• Lucero (surname) a Spanish surname
• Lucero (entertainer), Mexican singer and actress
  • Lucero (album), eponymous album released in 1993
• Lucero (band), an American alt country band
• Lucero (Madrid), a ward (barrio) of Madrid, Spain
  • Lucero, a station on Line 6
• Lucero sheep, a Criollo sheep breed
• "Lucero", fan-fic short story set in the RP1 fictional universe, by Andy Weir, and canonized into the 2016 edition of Ready Player One
• Cerro del Lucero, mountain in the Province of Granada in southern Spain