布兰特原油(Brent Crude)是一种国际原油评价观测体系，属于甜油，用来衡量油价高低，也是世界目前最主要也被采用参考最多的油价数字。

布兰特原油采用欧洲北海生产以及在西欧提炼的石油产品为观测标的，品质略低于西德州原油但交易邻欧洲多国市场也部分销往美国、北非，其中不少是世界工业老牌国家，又介入了各国不同民情和发展程度，造成其有客观性，其产品含硫量为0.37%适合提炼汽油、柴油与飞机燃油。

目前国际上不成文约定从中东、非洲输往西方的原油均依照布兰特原油订价，其与OPEC自制的油价指数有连动关系。俄罗斯、中东和亚洲其他地区的原油生产商也以它为参考指标。

Brent Crude is a major trading classification of sweet light crude oil that serves as a major benchmark price for purchases of oil worldwide. This grade is described as light because of its relatively low density, and sweet because of its low sulfur content. Brent Crude is extracted from the North Sea and comprises Brent Blend, Forties Blend, Oseberg and Ekofisk crudes (also known as the BFOE Quotation). The Brent Crude oil marker is also known as Brent Blend, London Brent and Brent petroleum.