Caselli
Caselli is an Italian surname derived from Casello, a diminutive of the personal name Caso. Notable people with the surname include:

 Caterina Caselli (born 1946), Italian record producer, former actress and singer
 Chiara Caselli (born 1967), Italian Actress
 Cristoforo Caselli (c. 1460–1521), Italian artist, late-15th to early-16th century
 Giovanni Caselli (1815–1891), the inventor of the 'pantelegraph', the forerunner of the modern fax machine
 Hilda Caselli (1836–1901) Swedish educational reformer
 Stefano Caselli (born 1978), Italian comic book artist

Italian-language surnames