次紧凑型车（英文：Subcompact car），以美国车辆尺寸作为标准的汽车分类，介乎于紧凑型车与都市车之间的车辆大小等级。在北美洲汽车市场，次紧凑型车通常是指为轮距不到2.54米，或者引擎容积在2,400c.c.到2,800c.c.之间。次紧凑型车在欧洲及亚洲国家比较常见；在北美洲的市场占有比例历来都比较少。该级别的车型在英国被称为supermini、在北美被称为Subcompact，在欧洲则被称为B-segment。

次紧凑型车的型号包括了本田飞度（Honda Fit）、福特Festiva、丰田Yaris和马自达2等等。

A subcompact car is the American term for an automobile with a class size smaller than a compact car, usually not exceeding 165 inches (4,191 mm) in length, but larger than a microcar. According to the United States Environmental Protection Agency (EPA), a passenger car is classified as subcompact if it has between 85 cubic feet (2,407 L) and 99 cu ft (2,803 L) of interior volume.