爱快罗密欧（Alfa Romeo）是一家以意大利米兰为总部的汽车制造公司，创厂历史最早可回溯至1907年，并从1986年开始加入菲亚特集团成为成员品牌之一。车厂原名ALFA（Anonima Lombarda Fabbrica Automobili，伦巴底公有汽车制造厂），但在1916年出身拿波里的实业家尼古拉·罗密欧（Nicola Romeo）入主该车厂，并将自己的家族名加入车厂名称中，而成为今日的阿尔法·罗密欧。

Alfa Romeo的商标中那条吞食人的蛇代表西元五世纪时米兰维斯孔蒂家族创建者所杀掉的蛇，十字是代表维斯孔蒂家族曾参加十字军东征，后来成为意大利米兰市的市徽。

Alfa Romeo Automobiles S.p.A. (Italian pronunciation: [ˈalfa roˈmɛːo]) is an Italian car manufacturer. Founded as A.L.F.A. ("Anonima Lombarda Fabbrica Automobili", translating to Anonymous Lombard Automobile Factory in English) on June 24, 1910, in Milan, the company has been involved in car racing since 1911. It was owned by Italian state holding company Istituto per la Ricostruzione Industriale between 1932 and 1986, when it became a part of the Fiat group. In February 2007, the Alfa Romeo brand was transformed into the current Alfa Romeo Automobiles S.p.A., a subsidiary of Fiat Group Automobiles, now Fiat Chrysler Automobiles Italy.