# Namespaces ![rw-book-cover](https://kubernetes.io/images/kubernetes-horizontal-color.png) ## Metadata - Author: [[Kubernetes]] - Full Title: Namespaces - Category: #articles - Summary: Namespaces in Kubernetes help organize and isolate resources within a cluster. They keep resource names unique only inside each namespace, not across the whole cluster. Namespaces are useful for managing multiple teams or projects and affect only namespaced objects, not cluster-wide resources. - URL: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces/ ## Highlights - In Kubernetes, *namespaces* provide a mechanism for isolating groups of resources within a single cluster. ([View Highlight](https://read.readwise.io/read/01kqnzda5qm97xnbz6n2h6rztw)) - Names of resources need to be unique within a namespace, but not across namespaces. ([View Highlight](https://read.readwise.io/read/01kqnzem2wc66ck20vkj3px7yq)) - When to Use Multiple Namespaces Namespaces are intended for use in environments with many users spread across multiple teams, or projects. ([View Highlight](https://read.readwise.io/read/01kqnzg0st5xxmbph6m9rwtv4t)) - Names of resources need to be unique within a namespace, but not across namespaces. ([View Highlight](https://read.readwise.io/read/01kqnzm9xb08n9m6vhrcrbfh9f))