diff --git a/python/docs/source/getting_started/install.rst b/python/docs/source/getting_started/install.rst
index a90f5fe159..c5485424da 100644
--- a/python/docs/source/getting_started/install.rst
+++ b/python/docs/source/getting_started/install.rst
@@ -48,11 +48,11 @@ If you want to install extra dependencies for a specific component, you can inst
 
     pip install pyspark[sql]
 
-For PySpark with/without a specific Hadoop version, you can install it by using ``HADOOP_VERSION`` environment variables as below:
+For PySpark with/without a specific Hadoop version, you can install it by using ``PYSPARK_HADOOP_VERSION`` environment variables as below:
 
 .. code-block:: bash
 
-    HADOOP_VERSION=2.7 pip install pyspark
+    PYSPARK_HADOOP_VERSION=2.7 pip install pyspark
 
 The default distribution uses Hadoop 3.2 and Hive 2.3. If users specify different versions of Hadoop, the pip installation automatically
 downloads a different version and use it in PySpark. Downloading it can take a while depending on
@@ -60,15 +60,15 @@ the network and the mirror chosen. ``PYSPARK_RELEASE_MIRROR`` can be set to manu
 
 .. code-block:: bash
 
-    PYSPARK_RELEASE_MIRROR=http://mirror.apache-kr.org HADOOP_VERSION=2.7 pip install
+    PYSPARK_RELEASE_MIRROR=http://mirror.apache-kr.org PYSPARK_HADOOP_VERSION=2.7 pip install
 
 It is recommended to use ``-v`` option in ``pip`` to track the installation and download status.
 
 .. code-block:: bash
 
-    HADOOP_VERSION=2.7 pip install pyspark -v
+    PYSPARK_HADOOP_VERSION=2.7 pip install pyspark -v
 
-Supported values in ``HADOOP_VERSION`` are:
+Supported values in ``PYSPARK_HADOOP_VERSION`` are:
 
 - ``without``: Spark pre-built with user-provided Apache Hadoop
 - ``2.7``: Spark pre-built for Apache Hadoop 2.7
diff --git a/python/pyspark/find_spark_home.py b/python/pyspark/find_spark_home.py
index 4521a36503..62a36d42eb 100755
--- a/python/pyspark/find_spark_home.py
+++ b/python/pyspark/find_spark_home.py
@@ -36,7 +36,7 @@ def _find_spark_home():
                 (os.path.isdir(os.path.join(path, "jars")) or
                  os.path.isdir(os.path.join(path, "assembly"))))
 
-    # Spark distribution can be downloaded when HADOOP_VERSION environment variable is set.
+    # Spark distribution can be downloaded when PYSPARK_HADOOP_VERSION environment variable is set.
     # We should look up this directory first, see also SPARK-32017.
     spark_dist_dir = "spark-distribution"
     paths = [
diff --git a/python/setup.py b/python/setup.py
index 7bb8a00171..c7f195b89a 100755
--- a/python/setup.py
+++ b/python/setup.py
@@ -125,16 +125,16 @@ class InstallCommand(install):
         spark_dist = os.path.join(self.install_lib, "pyspark", "spark-distribution")
         rmtree(spark_dist, ignore_errors=True)
 
-        if ("HADOOP_VERSION" in os.environ) or ("HIVE_VERSION" in os.environ):
-            # Note that SPARK_VERSION environment is just a testing purpose.
-            # HIVE_VERSION environment variable is also internal for now in case
+        if ("PYSPARK_HADOOP_VERSION" in os.environ) or ("PYSPARK_HIVE_VERSION" in os.environ):
+            # Note that PYSPARK_VERSION environment is just a testing purpose.
+            # PYSPARK_HIVE_VERSION environment variable is also internal for now in case
             # we support another version of Hive in the future.
             spark_version, hadoop_version, hive_version = install_module.checked_versions(
-                os.environ.get("SPARK_VERSION", VERSION).lower(),
-                os.environ.get("HADOOP_VERSION", install_module.DEFAULT_HADOOP).lower(),
-                os.environ.get("HIVE_VERSION", install_module.DEFAULT_HIVE).lower())
+                os.environ.get("PYSPARK_VERSION", VERSION).lower(),
+                os.environ.get("PYSPARK_HADOOP_VERSION", install_module.DEFAULT_HADOOP).lower(),
+                os.environ.get("PYSPARK_HIVE_VERSION", install_module.DEFAULT_HIVE).lower())
 
-            if ("SPARK_VERSION" not in os.environ and
+            if ("PYSPARK_VERSION" not in os.environ and
                 ((install_module.DEFAULT_HADOOP, install_module.DEFAULT_HIVE) ==
                     (hadoop_version, hive_version))):
                 # Do not download and install if they are same as default.