diff --git a/docs/cluster-overview.md b/docs/cluster-overview.md
index cb6d3a5c1f..69ae1b6cdb 100644
--- a/docs/cluster-overview.md
+++ b/docs/cluster-overview.md
@@ -65,7 +65,7 @@ The system currently supports several cluster managers:
 * [Standalone](spark-standalone.html) -- a simple cluster manager included with Spark that makes it
   easy to set up a cluster.
 * [Apache Mesos](running-on-mesos.html) -- a general cluster manager that can also run Hadoop MapReduce
-  and service applications.
+  and service applications. (Deprecated)
 * [Hadoop YARN](running-on-yarn.html) -- the resource manager in Hadoop 2.
 * [Kubernetes](running-on-kubernetes.html) -- an open-source system for automating deployment, scaling,
   and management of containerized applications.
diff --git a/docs/core-migration-guide.md b/docs/core-migration-guide.md
index 8cd7bca325..bb62238632 100644
--- a/docs/core-migration-guide.md
+++ b/docs/core-migration-guide.md
@@ -32,6 +32,8 @@ license: |
 
 - In Spark 3.2, `spark.launcher.childConectionTimeout` is deprecated (typo) though still works. Use `spark.launcher.childConnectionTimeout` instead.
 
+- In Spark 3.2, support for Apache Mesos as a resource manager is deprecated and will be removed in a future version. 
+
 ## Upgrading from Core 3.0 to 3.1
 
 - In Spark 3.0 and below, `SparkContext` can be created in executors. Since Spark 3.1, an exception will be thrown when creating `SparkContext` in executors. You can allow it by setting the configuration `spark.executor.allowSparkContext` when creating `SparkContext` in executors.
diff --git a/docs/index.md b/docs/index.md
index 84f760fe67..de30186141 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -99,7 +99,7 @@ Spark can run both by itself, or over several existing cluster managers. It curr
 options for deployment:
 
 * [Standalone Deploy Mode](spark-standalone.html): simplest way to deploy Spark on a private cluster
-* [Apache Mesos](running-on-mesos.html)
+* [Apache Mesos](running-on-mesos.html) (deprecated)
 * [Hadoop YARN](running-on-yarn.html)
 * [Kubernetes](running-on-kubernetes.html)
 
diff --git a/docs/running-on-mesos.md b/docs/running-on-mesos.md
index 364def8923..bd01639ea7 100644
--- a/docs/running-on-mesos.md
+++ b/docs/running-on-mesos.md
@@ -19,6 +19,8 @@ license: |
 ---
 * This will become a table of contents (this text will be scraped).
 {:toc}
+  
+*Note*: Apache Mesos support is deprecated as of Apache Spark 3.2.0. It will be removed in a future version.
 
 Spark can run on hardware clusters managed by [Apache Mesos](http://mesos.apache.org/).