Look up Trafalgar Square in Wiktionary, the free dictionary.
Trafalgar Square is a square in central London, England that commemorates the Battle of Trafalgar.
Trafalgar Square may also refer to:
- Trafalgar Square, a painting by Piet Mondrian
- National Heroes Square in Barbados, formerly known as Trafalgar Square
- Trafalgar Square Publishing, a publishing house and distribution company specialising in UK publishers