diff --git a/AutomatedTesting/CMakeLists.txt b/AutomatedTesting/CMakeLists.txt
index e239ba7674..9a870b1279 100644
--- a/AutomatedTesting/CMakeLists.txt
+++ b/AutomatedTesting/CMakeLists.txt
@@ -10,7 +10,7 @@
 #
 
 if(NOT PROJECT_NAME)
-    cmake_minimum_required(VERSION 3.19)
+    cmake_minimum_required(VERSION 3.20)
     project(AutomatedTesting
         LANGUAGES C CXX
         VERSION 1.0.0.0
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ca9aeacb8..0585089325 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,17 +9,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 
-# Cmake version 3.19 is the minimum version needed for all of Open 3D Engine's supported platforms
-cmake_minimum_required(VERSION 3.19)
-
-# CMP0111 introduced in 3.19 has a bug that produces the policy to warn every time there is an
-# INTERFACE IMPORTED library. We use this type of libraries for handling 3rdParty. The rest of
-# the documentation states that INTERFACE IMPORTED libraries do not require to set locations, but
-# the policy still warns about it. Issue: https://gitlab.kitware.com/cmake/cmake/-/issues/21470
-# The issue was fixed in 3.19.1 so we just disable the policy for 3.19
-if(CMAKE_VERSION VERSION_EQUAL 3.19)
-    cmake_policy(SET CMP0111 OLD)
-endif()
+# Cmake version 3.20 is the minimum version needed for all of Open 3D Engine's supported platforms
+cmake_minimum_required(VERSION 3.20)
 
 include(cmake/LySet.cmake)
 include(cmake/Version.cmake)
diff --git a/Code/Framework/AzAutoGen/CMakeLists.txt b/Code/Framework/AzAutoGen/CMakeLists.txt
index 925e7aed29..4c79f268fe 100644
--- a/Code/Framework/AzAutoGen/CMakeLists.txt
+++ b/Code/Framework/AzAutoGen/CMakeLists.txt
@@ -9,8 +9,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #
 
-cmake_minimum_required(VERSION 3.0)
-
 ly_add_target(
     NAME AzAutoGen HEADERONLY
     NAMESPACE AZ
diff --git a/README.md b/README.md
index 0c59837a62..7a9751529f 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ If you have the Git credential manager core or other credential helpers installe
         *   Game Development with C++
         *   MSVC v142 - VS 2019 C++ x64/x86
         *   C++ 2019 redistributable update
-*   CMake 3.19.1 minimum: [https://cmake.org/files/LatestRelease/cmake-3.19.1-win64-x64.msi](https://cmake.org/files/LatestRelease/cmake-3.19.1-win64-x64.msi)
+*   CMake 3.20 minimum: [https://cmake.org/download/](https://cmake.org/download/)
 
 #### Optional
 
@@ -105,7 +105,7 @@ If you have the Git credential manager core or other credential helpers installe
 
 1.  Install the following redistributables to the following:
     - Visual Studio and VC++ redistributable can be installed to any location
-    - CMake can be installed to any location, as long as it's available in the system path, otherwise it can be installed to: `<3rdParty Path>\CMake\3.19.1`
+    - CMake can be installed to any location, as long as it's available in the system path
     - WWise can be installed anywhere, but you will need to set an environment variable for CMake to detect it:  `set LY_WWISE_INSTALL_PATH=<path to WWise>`
     
 1.  Navigate into the repo folder, then download the python runtime with this command
diff --git a/Templates/DefaultProject/Template/CMakeLists.txt b/Templates/DefaultProject/Template/CMakeLists.txt
index 50e3a528e6..4dcfc5325b 100644
--- a/Templates/DefaultProject/Template/CMakeLists.txt
+++ b/Templates/DefaultProject/Template/CMakeLists.txt
@@ -12,7 +12,7 @@
 # {END_LICENSE}
 
 if(NOT PROJECT_NAME)
-    cmake_minimum_required(VERSION 3.19)
+    cmake_minimum_required(VERSION 3.20)
     project(${Name}
         LANGUAGES C CXX
         VERSION 1.0.0.0
diff --git a/cmake/Tools/Platform/Android/generate_android_project.py b/cmake/Tools/Platform/Android/generate_android_project.py
index d25b62dde8..5a52ac385e 100755
--- a/cmake/Tools/Platform/Android/generate_android_project.py
+++ b/cmake/Tools/Platform/Android/generate_android_project.py
@@ -48,7 +48,7 @@ def verify_gradle(override_gradle_path=None):
 
 
 CMAKE_ARGUMENT_NAME = '--cmake-install-path'
-CMAKE_MIN_VERSION = LooseVersion('3.19.0')
+CMAKE_MIN_VERSION = LooseVersion('3.20.0')
 CMAKE_VERSION_REGEX = re.compile(r'cmake version (\d+.\d+.?\d*)')
 CMAKE_EXECUTABLE = 'cmake'
 
diff --git a/python/get_python.bat b/python/get_python.bat
index e11c4ab92f..b3c3bf9cfb 100644
--- a/python/get_python.bat
+++ b/python/get_python.bat
@@ -32,18 +32,15 @@ IF !ERRORLEVEL!==0 (
 
 cd /D %CMD_DIR%\..
 REM IF you update this logic, update it in scripts/build/Platform/Windows/env_windows.cmd
-REM If cmake is not found on path, try a known location, using LY_CMAKE_PATH as the first fallback
+REM If cmake is not found on path, try a known location at LY_CMAKE_PATH
 where /Q cmake
 IF NOT !ERRORLEVEL!==0 (
     IF "%LY_CMAKE_PATH%"=="" (
-        IF "%LY_3RDPARTY_PATH%"=="" (
-            ECHO ERROR: CMake was not found on the PATH and LY_3RDPARTY_PATH is not defined.
-            ECHO Please ensure CMake is on the path or set LY_3RDPARTY_PATH or LY_CMAKE_PATH.
-            EXIT /b 1
-        )
-        SET LY_CMAKE_PATH=!LY_3RDPARTY_PATH!\CMake\3.19.1\Windows\bin
-        echo CMake was not found on the path, will use known location: !LY_CMAKE_PATH!
+        ECHO ERROR: CMake was not found on the PATH and LY_CMAKE_PATH is not defined.
+        ECHO Please ensure CMake is on the path or set LY_CMAKE_PATH.
+        EXIT /b 1
     )
+
     PATH !LY_CMAKE_PATH!;!PATH!
     where /Q cmake
     if NOT !ERRORLEVEL!==0 (
diff --git a/python/get_python.cmake b/python/get_python.cmake
index 5d6bf6fd96..198d3f0ba3 100644
--- a/python/get_python.cmake
+++ b/python/get_python.cmake
@@ -16,7 +16,7 @@
 # example:
 # cmake -DPAL_PLATFORM_NAME:string=Windows -DLY_3RDPARTY_PATH:string=%CMD_DIR% -P get_python.cmake
 
-cmake_minimum_required(VERSION 3.17)
+cmake_minimum_required(VERSION 3.20)
 
 if(LY_3RDPARTY_PATH)
     file(TO_CMAKE_PATH ${LY_3RDPARTY_PATH} LY_3RDPARTY_PATH)
diff --git a/python/get_python.sh b/python/get_python.sh
index 780f1bbdd8..9b774d91fc 100755
--- a/python/get_python.sh
+++ b/python/get_python.sh
@@ -42,31 +42,21 @@ then
     CMAKE_FOLDER_RELATIVE_TO_ROOT=CMake.app/Contents/bin
 else
     PAL=Linux
-    CMAKE_FOLDER_RELATIVE_TO_ROOT=bin    
+    CMAKE_FOLDER_RELATIVE_TO_ROOT=bin
 fi
 
 if ! [ -x "$(command -v cmake)" ]; then
-    # Note that LY_3RDPARTY_PATH is only required here if you have no cmake in your PATH.
     if [ -z ${LY_CMAKE_PATH} ]; then
-        if [ -z ${LY_3RDPARTY_PATH} ]; then 
-            echo "ERROR: Could not find cmake on the PATH and LY_3RDPARTY_PATH is not defined, cannot continue."
-            echo "Please add cmake to your PATH, or define $LY_3RDPARTY_PATH"
-            exit 1        
-        fi
-        LY_CMAKE_PATH=$LY_3RDPARTY_PATH/CMake/3.19.1/$PAL/$CMAKE_FOLDER_RELATIVE_TO_ROOT
-        # if you change the version number, change it also in:
-        # scripts/build/Platform/Mac/env_mac.sh
-        # and
-        # scripts/build/Platform/Linux/env_linux.sh
+        echo "ERROR: Could not find cmake on the PATH and LY_CMAKE_PATH is not defined, cannot continue."
+        echo "Please add cmake to your PATH, or define LY_CMAKE_PATH"
+        exit 1
     fi
-        
+
     export PATH=$LY_CMAKE_PATH:$PATH
     if ! [ -x "$(command -v cmake)" ]; then
-        echo "ERROR: Could not find cmake on the PATH or at the known location: $CMAKE_KNOWN_LOCATION"
+        echo "ERROR: Could not find cmake on the PATH or at the known location: $LY_CMAKE_PATH"
         echo "Please add cmake to the environment PATH or place it at the above known location."
         exit 1
-    else
-        echo "CMake not found on path, but was found in the known 3rd Party location."
     fi
 fi
 
diff --git a/scripts/build/Platform/Android/build_and_run_unit_tests.cmd b/scripts/build/Platform/Android/build_and_run_unit_tests.cmd
index fbb31f95ec..5a51621f40 100644
--- a/scripts/build/Platform/Android/build_and_run_unit_tests.cmd
+++ b/scripts/build/Platform/Android/build_and_run_unit_tests.cmd
@@ -20,9 +20,6 @@ IF NOT EXIST "%LY_3RDPARTY_PATH%" (
     GOTO :error
 )
 
-IF NOT EXIST "%LY_ANDROID_SDK%" (
-    SET LY_ANDROID_SDK=!LY_3RDPARTY_PATH!/android-sdk/platform-29
-)
 IF NOT EXIST "%LY_ANDROID_SDK%" (
     ECHO [ci_build] FAIL: LY_ANDROID_SDK=!LY_ANDROID_SDK!
     GOTO :error
diff --git a/scripts/build/Platform/Linux/env_linux.sh b/scripts/build/Platform/Linux/env_linux.sh
index 1d7324778c..85bdf0a745 100755
--- a/scripts/build/Platform/Linux/env_linux.sh
+++ b/scripts/build/Platform/Linux/env_linux.sh
@@ -13,27 +13,11 @@
 set -o errexit # exit on the first failure encountered
 
 if ! command -v cmake &> /dev/null; then
-    if [[ -z $LY_CMAKE_PATH ]]; then LY_CMAKE_PATH=${LY_3RDPARTY_PATH}/CMake/3.19.1/Linux/bin; fi
-    if [[ ! -d $LY_CMAKE_PATH ]]; then
-        echo "[ci_build] CMake path not found"
-        exit 1
-    fi
-    PATH=${LY_CMAKE_PATH}:${PATH}
-    if ! command -v cmake &> /dev/null; then
-        echo "[ci_build] CMake not found"
-        exit 1
-    fi
+    echo "[ci_build] CMake not found"
+    exit 1
 fi
 
 if ! command -v ninja &> /dev/null; then
-    if [[ -z $LY_NINJA_PATH ]]; then LY_NINJA_PATH=${LY_3RDPARTY_PATH}/ninja/1.10.1/Linux; fi
-    if [[ ! -d $LY_NINJA_PATH ]]; then
-        echo "[ci_build] Ninja path not found"
-        exit 1
-    fi
-    PATH=${LY_NINJA_PATH}:${PATH}
-    if ! command -v ninja &> /dev/null; then
-        echo "[ci_build] Ninja not found"
-        exit 1
-    fi
+    echo "[ci_build] Ninja not found"
+    exit 1
 fi
diff --git a/scripts/build/Platform/Mac/env_mac.sh b/scripts/build/Platform/Mac/env_mac.sh
index 8f38d1d90b..917329b6af 100755
--- a/scripts/build/Platform/Mac/env_mac.sh
+++ b/scripts/build/Platform/Mac/env_mac.sh
@@ -13,14 +13,6 @@
 set -o errexit # exit on the first failure encountered
 
 if ! command -v cmake &> /dev/null; then
-    if [[ -z $LY_CMAKE_PATH ]]; then LY_CMAKE_PATH=${LY_3RDPARTY_PATH}/CMake/3.19.1/Mac/CMake.app/Contents/bin; fi
-    if [[ ! -d $LY_CMAKE_PATH ]]; then
-        echo "[ci_build] CMake path not found"
-        exit 1
-    fi
-    PATH=${LY_CMAKE_PATH}:${PATH}
-    if ! command -v cmake &> /dev/null; then
-        echo "[ci_build] CMake not found"
-        exit 1
-    fi
+    echo "[ci_build] CMake not found"
+    exit 1
 fi
diff --git a/scripts/build/Platform/Windows/build_ninja_windows.cmd b/scripts/build/Platform/Windows/build_ninja_windows.cmd
index b782cc2357..e1a802e254 100644
--- a/scripts/build/Platform/Windows/build_ninja_windows.cmd
+++ b/scripts/build/Platform/Windows/build_ninja_windows.cmd
@@ -12,19 +12,10 @@ REM
 
 SETLOCAL EnableDelayedExpansion
 
-IF NOT EXIST "%LY_NINJA_PATH%" (
-    SET LY_NINJA_PATH=%LY_3RDPARTY_PATH%/ninja/1.10.1/Windows
-)
-IF NOT EXIST "%LY_NINJA_PATH%" (
-    ECHO [ci_build] FAIL: LY_NINJA_PATH=%LY_NINJA_PATH%
-    GOTO :error
-)
-PATH %LY_NINJA_PATH%;%PATH%
-
 CALL "%~dp0build_windows.cmd"
 IF NOT %ERRORLEVEL%==0 GOTO :error
 
 EXIT /b 0
 
 :error
-EXIT /b 1
\ No newline at end of file
+EXIT /b 1
diff --git a/scripts/build/Platform/Windows/env_windows.cmd b/scripts/build/Platform/Windows/env_windows.cmd
index 592b2867cd..3ef161c2ef 100644
--- a/scripts/build/Platform/Windows/env_windows.cmd
+++ b/scripts/build/Platform/Windows/env_windows.cmd
@@ -12,17 +12,8 @@ REM
 
 where /Q cmake
 IF NOT %ERRORLEVEL%==0 (
-    IF "%LY_CMAKE_PATH%"=="" (SET LY_CMAKE_PATH=%LY_3RDPARTY_PATH%/CMake/3.19.1/Windows/bin)
-    IF NOT EXIST !LY_CMAKE_PATH! (
-        ECHO [ci_build] CMake path not found
-        GOTO :error
-    )
-    PATH !LY_CMAKE_PATH!;!PATH!
-    where /Q cmake
-    IF NOT !ERRORLEVEL!==0 (
-        ECHO [ci_build] CMake not found
-        GOTO :error
-    )
+    ECHO [ci_build] CMake not found
+    GOTO :error
 )
 
 EXIT /b 0