Chicago style may refer to several things:

The Chicago Manual of Style, a guideline for writing documents and news reports Chicago school (architecture), a style of commercial buildings Chicago school of economics, a school of thought among economists and academics Chicago blues, a genre of blues music Chicago-style dixieland, a genre of jazz music Chicago-style pizza, several varieties of pizza Chicago-style hot dog, an ingredient-laden variety of hot dog

See also Chicago school (disambiguation) several theories of thought