在市场营销业和广告业里，目标受众又称目标顾客、目标群体和目标客群是一个营销活动所作为目标的人口群体。营销活动主要指推销广告活动，但也可以是政治竞选活动或其他宣传活动。目标受众可以是某一个人口群体，如年龄组、性别、婚姻状况、等等。常见受众有青少年、女性、单身、等等。目标受众也可以包括几个不同的人口群体，比如所有20到30岁的男性。营销过程也可以计划如何对待其他非目标群体。决定一个产品或服务的适当受众是市场调查中很重要的一部分。不了解自己的目标受众能造成一个超额的低效力的营销活动。

A target market is a group of customers a business has decided to aim its marketing efforts and ultimately its merchandise towards. A well-defined target market the first element of a marketing strategy. Product, price, promotion, and place are the four elements of a marketing mix strategy that determine the success of a product or service in the marketplace. It is proven that businesses must have a clear definition of their target market as this can help reach its target consumers and analyze what their needs and suitability are.