客户关系管理（Customer relationship management，缩写 CRM），企业活动面向长期的客户关系，以求提升企业成功的管理方式，其目的之一是要协助企业管理销售循环：新客户的招徕、保留旧客户、提供客户服务及进一步提升企业和客户的关系，并运用市场营销工具，提供创新式的个人化的客户商谈和服务，辅以相应的信息系统或信息技术如数据挖掘和数据库营销来协调所有公司与顾客间在销售、行销以及服务上的交互。

Customer relationship management (CRM) is an approach to managing a company's interaction with current and future customers. The CRM approach tries to analyze data about customers' history with a company, in order to better improve business relationships with customers, specifically focusing on retaining customers, in order to drive sales growth. One important aspect of the CRM approach is the systems of CRM that compile information from a range of different channels, including a company's website, telephone, email, live chat, marketing materials, social media, and more. Through the CRM approach and the systems used to facilitate CRM, businesses learn more about their target audiences and how to best cater to their needs. However, the adoption of the CRM approach may also occasionally lead to favoritism within an audience of consumers, leading to dissatisfaction among customers and defeating the purpose of CRM.