People

• José Ramos-Horta (born 1949), an East Timor politician
• Victor Horta (1861–1947), a Belgian architect who worked in the Art Nouveau style
• Salvator of Horta (1520–1567), 16th century Spanish saint

Places

• Horta (Azores) is a municipality on the Faial Island of the Azores
• Horta (Portugal) is the name of two towns in Portugal, both in the Aveiro district
• Horta (Barcelona) is an area in the Horta-Guinardó district of Barcelona
  • Horta (Barcelona Metro), the northern terminus of Barcelona metro line 5

Other

• Horta (mythology), a goddess in Etruscan mythology
• Horta (Star Trek), a silicon-based lifeform from the Star Trek episode "The Devil in the Dark"
• Horta (Modern Greek) is the Modern Greek transliteration of χορτα, a Modern Greek plural form of the word χόρτο, meaning "grass" or "green vegetables" (especially dandelions)
• Horta (food) is a Greek recipe for boiled greens.