Silvia is a given name and surname. Silvia may also refer to:

• Silvia, Cauca, a municipality in the Cauca Department, Colombia
• Nissan Silvia, an automobile sold in Japan
• Silvia is the name of two plant genera:
  • Silvia in family Orobanchaceae
  • Silvia in family Lauraceae
    • Silvia anacardioides, S. polyantha, and S. rondonii have been moved to Mezia itauba
    • Other species have been moved to genus Mezilaurus
• Anilios silvia, species of snake in the family Typhlopidae
• Piezocera silvia, species of beetle in the family Cerambycidae
• Rhea Silvia, in Roman mythology
• Silvia (gens), legendary family in Roman mythology
• Silvia, a character in William Shakespeare's play The Two Gentlemen of Verona, the love interest of protagonist Valentine
• Silvia, a character in the Viewtiful Joe series
• Silvia, the original name of the character Sylvando in the Japanese version of Dragon Quest XI
• "Silvia" (song), a song by the Swedish indie pop band Miike Snow
• SILVIA, Symbolically Isolated Linguistically Variable Intelligence Algorithms, an artificial intelligence platform technology created by Cognitive Code
• Silvia Rock, Duroch Islands, Antarctica
• Tropical Storm Silvia, a 1964 weather event in the Pacific