Sintra is both a town and a municipality in Portugal.

Sintra may also refer to:

• Sintra (Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim), a civil parish within the municipality
• Sintra Mountains
• Palace of Sintra
• Opel Sintra, a minivan

• Cintra (disambiguation)
• Santara (disambiguation)
• Pedro de Sintra
• Nova Sintra
• Sintra-Cascais Natural Park
• Convention of Cintra