diff --git a/.github/workflows/amd64_linux_bazel.yml b/.github/workflows/amd64_linux_bazel.yml
index 283517e21c..948195e103 100644
--- a/.github/workflows/amd64_linux_bazel.yml
+++ b/.github/workflows/amd64_linux_bazel.yml
@@ -26,6 +26,7 @@ jobs:
           #{version: '3.11'},
           {version: '3.12'},
           #{version: '3.13'},
+          #{version: '3.14'},
         ]
       fail-fast: false
     env:
diff --git a/.github/workflows/amd64_linux_cmake_python.yml b/.github/workflows/amd64_linux_cmake_python.yml
index ec7f93e6e0..8f211d896c 100644
--- a/.github/workflows/amd64_linux_cmake_python.yml
+++ b/.github/workflows/amd64_linux_cmake_python.yml
@@ -28,6 +28,7 @@ jobs:
           #{version: "3.11"},
           #{version: "3.12"},
           {version: "3.13"},
+          {version: "3.14"},
          ]
       fail-fast: false
     name: amd64•Linux•CMake•Python${{matrix.python.version}}
diff --git a/.github/workflows/amd64_macos_bazel.yml b/.github/workflows/amd64_macos_bazel.yml
index d336ba15e8..cea7192789 100644
--- a/.github/workflows/amd64_macos_bazel.yml
+++ b/.github/workflows/amd64_macos_bazel.yml
@@ -26,6 +26,7 @@ jobs:
           #{version: '3.11'},
           {version: '3.12'},
           #{version: '3.13'},
+          #{version: '3.14'},
         ]
       fail-fast: false
     env:
diff --git a/.github/workflows/amd64_macos_cmake_python.yml b/.github/workflows/amd64_macos_cmake_python.yml
index 2e087620b0..f069af65a7 100644
--- a/.github/workflows/amd64_macos_cmake_python.yml
+++ b/.github/workflows/amd64_macos_cmake_python.yml
@@ -32,6 +32,7 @@ jobs:
           #{version: "3.11"},
           #{version: "3.12"},
           {version: "3.13"},
+          {version: "3.14"},
         ]
       fail-fast: false
     name: amd64•MacOS•CMake(${{matrix.cmake.name}})•Python-${{matrix.python.version}}
diff --git a/.github/workflows/amd64_windows_bazel.yml b/.github/workflows/amd64_windows_bazel.yml
index 44490ebf6f..c950fb3831 100644
--- a/.github/workflows/amd64_windows_bazel.yml
+++ b/.github/workflows/amd64_windows_bazel.yml
@@ -26,6 +26,7 @@ jobs:
         #  {version: '3.11'},
           {version: '3.12'},
         #  {version: '3.13'},
+        #  {version: '3.14'},
         ]
       fail-fast: false # Don't cancel all jobs if one fails.
     env:
diff --git a/.github/workflows/amd64_windows_cmake_python.yml b/.github/workflows/amd64_windows_cmake_python.yml
index ee8a494c8d..12a1fc81dd 100644
--- a/.github/workflows/amd64_windows_cmake_python.yml
+++ b/.github/workflows/amd64_windows_cmake_python.yml
@@ -27,6 +27,7 @@ jobs:
           #{version: "3.11", dir: Python311},
           #{version: "3.12", dir: Python312},
           {version: "3.13", dir: Python313},
+          {version: "3.14", dir: Python314},
         ]
       fail-fast: false
     name: amd64•Windows•CMake(${{matrix.cmake.name}})•Python-${{matrix.python.version}}
diff --git a/.github/workflows/arm64_macos_bazel.yml b/.github/workflows/arm64_macos_bazel.yml
index 9aec169757..95fbe05bac 100644
--- a/.github/workflows/arm64_macos_bazel.yml
+++ b/.github/workflows/arm64_macos_bazel.yml
@@ -26,6 +26,7 @@ jobs:
           #{version: '3.11'},
           {version: '3.12'},
           #{version: '3.13'},
+          #{version: '3.14'},
         ]
       fail-fast: false
     env:
diff --git a/.github/workflows/arm64_macos_cmake_python.yml b/.github/workflows/arm64_macos_cmake_python.yml
index 489e9faa23..28e59dc1bd 100644
--- a/.github/workflows/arm64_macos_cmake_python.yml
+++ b/.github/workflows/arm64_macos_cmake_python.yml
@@ -32,6 +32,7 @@ jobs:
           #{version: "3.11"},
           {version: "3.12"},
           #{version: "3.13"},
+          #{version: "3.14"},
         ]
       fail-fast: false
     name: arm64•MacOS•CMake(${{matrix.cmake.name}})•Python-${{matrix.python.version}}
diff --git a/ortools/python/setup.py.in b/ortools/python/setup.py.in
index 00ca709220..62362cc4bc 100644
--- a/ortools/python/setup.py.in
+++ b/ortools/python/setup.py.in
@@ -166,6 +166,7 @@ setup(
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
         'Programming Language :: Python :: 3.13',
+        'Programming Language :: Python :: 3.14',
         'Programming Language :: C++',
         'Programming Language :: Python :: Implementation :: CPython',
         'Topic :: Office/Business :: Scheduling',
diff --git a/tools/docker/Makefile b/tools/docker/Makefile
index 70c88c92db..4b14e7453b 100644
--- a/tools/docker/Makefile
+++ b/tools/docker/Makefile
@@ -59,6 +59,7 @@ help:
 	@echo -e "\t\t${BOLD}311${RESET} Python3.11"
 	@echo -e "\t\t${BOLD}312${RESET} Python3.12"
 	@echo -e "\t\t${BOLD}313${RESET} Python3.13"
+	@echo -e "\t\t${BOLD}314${RESET} Python3.14"
 	@echo
 	@echo -e "\t${BOLD}<step>${RESET}:"
 	@echo -e "\t\t${BOLD}env${RESET}"
@@ -204,7 +205,7 @@ cache/python: | cache
 	-mkdir $@
 
 ## MANYLINUX ##
-PYTHON_VERSIONS := 39 310 311 312 313
+PYTHON_VERSIONS := 39 310 311 312 313 314
 
 export/python/manylinux: | export/python
 	-mkdir -p $@
diff --git a/tools/release/build_delivery_macos.sh b/tools/release/build_delivery_macos.sh
index f03ddf3577..79244cae90 100755
--- a/tools/release/build_delivery_macos.sh
+++ b/tools/release/build_delivery_macos.sh
@@ -225,9 +225,9 @@ function build_python() {
   echo "DONE" | tee -a build.log
 
   if [[ ${PLATFORM} == "arm64" ]]; then
-    local -r PY=(3.9 3.10 3.11 3.12 3.13)
+    local -r PY=(3.9 3.10 3.11 3.12 3.13 3.14)
   else
-    local -r PY=(3.9 3.10 3.11 3.12 3.13)
+    local -r PY=(3.9 3.10 3.11 3.12 3.13 3.14)
   fi
 
   # Check Python env
diff --git a/tools/release/build_delivery_win.cmd b/tools/release/build_delivery_win.cmd
index 940e0ff7bd..846c2f593c 100644
--- a/tools/release/build_delivery_win.cmd
+++ b/tools/release/build_delivery_win.cmd
@@ -269,7 +269,7 @@ set PATH=%userprofile%\AppData\Roaming\Python\Python3%1\Scripts;%PATH%
 ::echo "python path: %PATH%"
 GOTO :eof
 
-REM PYTHON 3.9, 3.10, 3.11, 3.12, 3.13
+REM PYTHON 3.9, 3.10, 3.11, 3.12, 3.13, 3.14
 :BUILD_PYTHON
 title Build Python
 set HASH=
@@ -279,7 +279,7 @@ echo Python build seems up to date, skipping
 exit /B 0
 )
 
-FOR %%v IN (9 10 11 12 13) DO (
+FOR %%v IN (9 10 11 12 13 14) DO (
   title Build Python 3.%%v
   echo Check python3.%%v... | tee.exe -a build.log
   which.exe "C:\python3%%v-64\python.exe" || exit 1
@@ -342,7 +342,7 @@ del /s /f /q temp_dotnet
 rmdir /s /q temp_dotnet
 del /s /f /q temp_java
 rmdir /s /q temp_java
-FOR %%v IN (9 10 11 12 13) do (
+FOR %%v IN (9 10 11 12 13 14) do (
   del /s /f /q temp_python3%%v
   rmdir /s /q temp_python3%%v
 )
diff --git a/tools/release/test_delivery_macos.sh b/tools/release/test_delivery_macos.sh
index d5d09ff23e..fd8110ebd7 100755
--- a/tools/release/test_delivery_macos.sh
+++ b/tools/release/test_delivery_macos.sh
@@ -23,9 +23,9 @@ command -v make | xargs echo "make: " | tee -a test.log
 command -v swig | xargs echo "swig: " | tee -a test.log
 # python
 if [[ ${PLATFORM} == "arm64" ]]; then
-  local -r PY=(3.9 3.10 3.11 3.12 3.13)
+  local -r PY=(3.9 3.10 3.11 3.12 3.13 3.14)
 else
-  local -r PY=(3.9 3.10 3.11 3.12 3.13)
+  local -r PY=(3.9 3.10 3.11 3.12 3.13 3.14)
 fi
 
 for i in "${PY[@]}"; do
diff --git a/tools/release/test_delivery_win.cmd b/tools/release/test_delivery_win.cmd
index 2cd35cdd76..ca7586d76a 100755
--- a/tools/release/test_delivery_win.cmd
+++ b/tools/release/test_delivery_win.cmd
@@ -21,6 +21,8 @@ which.exe C:\python312-64\python.exe || exit 1
 echo C:\python312-64\python.exe: FOUND | tee.exe -a test.log
 which.exe C:\python313-64\python.exe || exit 1
 echo C:\python313-64\python.exe: FOUND | tee.exe -a test.log
+which.exe C:\python314-64\python.exe || exit 1
+echo C:\python314-64\python.exe: FOUND | tee.exe -a test.log
 
 set LOCAL_PATH=%PATH%
 
@@ -188,3 +190,36 @@ echo Testing ortools Python3.13... | tee.exe -a test.log
 echo Testing ortools Python3.13...DONE | tee.exe -a test.log
 
 FOR %%i IN (%TEMP_DIR%\ortools\dist\*.whl) DO copy %%i .
+
+REM ###################
+REM ##  PYTHON 3.14  ##
+REM ###################
+echo Cleaning Python... | tee.exe -a test.log
+make.exe clean_python WINDOWS_PATH_TO_PYTHON=c:\python314-64
+echo Cleaning Python...DONE | tee.exe -a test.log
+
+REM make.exe python WINDOWS_PATH_TO_PYTHON=c:\python314-64 || exit 1
+REM echo make python3.14: DONE | tee.exe -a build.log
+REM make.exe test_python WINDOWS_PATH_TO_PYTHON=c:\python314-64 || exit 1
+REM echo make test_python3.14: DONE | tee.exe -a build.log
+echo Rebuild Python3.14 pypi archive... | tee.exe -a test.log
+make.exe package_python WINDOWS_PATH_TO_PYTHON=c:\python314-64 || exit 1
+echo Rebuild Python3.14 pypi archive...DONE | tee.exe -a test.log
+
+echo Creating Python3.14 venv... | tee.exe -a test.log
+set PATH=c:\python314-64;c:\python314-64\Scripts;%PATH%
+python -m pip install virtualenv
+set TEMP_DIR=temp_python314
+python -m virtualenv %TEMP_DIR%\venv
+set PATH=%LOCAL_PATH%
+echo Creating Python3.14 venv...DONE | tee.exe -a test.log
+
+echo Installing ortools Python3.14 venv... | tee.exe -a test.log
+FOR %%i IN (%TEMP_DIR%\ortools\dist\*.whl) DO %TEMP_DIR%\venv\Scripts\python -m pip install %%i
+echo Installing ortools Python3.14 venv...DONE | tee.exe -a test.log
+
+echo Testing ortools Python3.14... | tee.exe -a test.log
+%TEMP_DIR%\venv\Scripts\python cmake\samples\python\sample.py 2>&1 | tee.exe -a test.log
+echo Testing ortools Python3.14...DONE | tee.exe -a test.log
+
+FOR %%i IN (%TEMP_DIR%\ortools\dist\*.whl) DO copy %%i .