利基市场（英语：niche market）是指由已有市场绝对优势的企业所忽略的某些细分市场，并且在此市场尚未完善供应服务。一般由较小的产品市场并具有持续发展的潜力中一些需要但尚未被满足的族群消费者所组成。为了满足特定的市场需求，价格区间与产品质量，针对细分后的产品进入这个小型市场且有盈利的基础。经由专业化的经营将品牌意识灌输到该特定消费者族群中逐渐形成该族群的领导品牌。 利基一词是英文NICHE的音译，原指小生境。

利基：较小的一块区隔(较狭窄的顾客群)，有利润而又专门性的市场

利基战略，则是指企业根据自身所特有的资源优势，通过专业化经营来占领这些市场，从而最大限度的获取收益所采取的竞争战略。

A niche market is the subset of the market on which a specific product is focused. The market niche defines as the product features aimed at satisfying specific market needs, as well as the price range, production quality and the demographics that is intended to impact. It is also a small market segment. For example, sports channels like STAR Sports, ESPN, STAR Cricket, and Fox Sports target a niche of sports enthusiasts.