MapR是一所美国企业管理软件公司、全球三大Hadoop开源大数据软件的提供商之一，总部位于美国加州圣何塞市，主要参与大数据的安全优化与开发、销售Apache Hadoop的衍生软件。MapR和Apache Hadoop一起参加过HBase、Apache Hive、Apache ZooKeeper等项目的研发。MAPR曾被亚马逊云服务选择为亚马逊弹性云EC2的升级版本。MapR称，目前为止该公司的付费认证客户总数已达500家。

MapR的大部分高管都来自Google、Lightspeed Venture Partners、Informatica、EMC和Veoh。

MapR is a San Jose, California-based enterprise software company that develops and sells Apache Hadoop-derived software. The company contributes to Apache Hadoop projects like HBase, Pig (programming language), Apache Hive, and Apache ZooKeeper. MapR's Apache Hadoop distribution claims to provide full data protection, no single points of failure, improved performance, and dramatic ease of use advantages. MapR entered a technology licensing agreement with EMC Corporation on 25 May 2011, supporting an EMC-specific distribution of Apache Hadoop. MapR was selected by Amazon to provide an upgraded version of Amazon's Elastic Map Reduce (EMR) service. MapR has also been selected by Google as a technology partner. MapR was able to break the minute sort speed record on Google's compute platform.