Cesario is both a surname and a given name. Notable people with the name include:
Real people
As a surname Enzo Cesario (born 1980), Chilean track and road cyclist Jeff Cesario (born 1953), American comedian and writer Juliet Cesario (born 1966), American character actress
As a given name Cesario Azucena (1938–2021), Filipino lawyer Cesario Estrada Chavez (1927–1993), American labor leader and civil rights activist
Fictional characters Cesario (Kiddy Grade), character in the anime series Kiddy Grade Cesario (Viola), character in the Shakespearean comedy Twelfth Night
Other
Cesario (horse), a Japanese Thoroughbred racehorse.