After Richard Grosvenor, 2nd Marquess of Westminster, whose title was Viscount Belgrave when the area was developed in the 1820s. The village of Belgrave, Cheshire is close to the Grosvenor family's main country seat.
- An area of central London, noted for being one of the wealthiest districts in the world.
- 1858, William Makepeace Thackeray, A History of Pendennis: His fortunes and misfortunes, his friends and his greatest enemy, Volume 1, Preface,
- What more exciting than a ruffian (with many admirable virtues) in St. Giles's, visited constantly by a young lady from Belgravia? What more stirring than the contrasts of society?