diff --git a/docs/cli.rst b/docs/cli.rst
index d758ddcc..3d9149c9 100644
--- a/docs/cli.rst
+++ b/docs/cli.rst
@@ -27,6 +27,13 @@ environment variable is used to specify how to load the application.
          $ export FLASK_APP=hello
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP hello
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -157,6 +164,20 @@ reloader.
           * Debugger is active!
           * Debugger PIN: 223-456-919
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+         $ flask run
+          * Serving Flask app "hello"
+          * Environment: development
+          * Debug mode: on
+          * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
+          * Restarting with inotify reloader
+          * Debugger is active!
+          * Debugger PIN: 223-456-919
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -208,6 +229,17 @@ separated with ``:``, or ``;`` on Windows.
            * Running on http://127.0.0.1:8000/
            * Detected change in '/path/to/file1', reloading
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+          $ flask run --extra-files file1:dirA/file2:dirB/
+          # or
+          $ set -x FLASK_RUN_EXTRA_FILES file1 dirA/file2 dirB/
+          $ flask run
+           * Running on http://127.0.0.1:8000/
+           * Detected change in '/path/to/file1', reloading
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -288,6 +320,14 @@ command, instead of ``flask run --port 8000``:
          $ flask run
           * Running on http://127.0.0.1:8000/
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_RUN_PORT 8000
+         $ flask run
+          * Running on http://127.0.0.1:8000/
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -335,6 +375,13 @@ configure as expected.
          $ export FLASK_SKIP_DOTENV=1
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_SKIP_DOTENV 1
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -365,6 +412,12 @@ script. Activating the virtualenv will set the variables.
 
           $ export FLASK_APP=hello
 
+   .. group-tab:: Fish
+
+      Fish, :file:`venv/bin/activate.fish`::
+
+          $ set -x FLASK_APP hello
+
    .. group-tab:: CMD
 
       Windows CMD, :file:`venv\\Scripts\\activate.bat`::
diff --git a/docs/config.rst b/docs/config.rst
index ad737109..0b86674d 100644
--- a/docs/config.rst
+++ b/docs/config.rst
@@ -76,6 +76,13 @@ set :envvar:`FLASK_ENV`:
          $ export FLASK_ENV=development
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -445,6 +452,14 @@ in the shell before starting the server:
          $ flask run
           * Running on http://127.0.0.1:5000/
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x YOURAPPLICATION_SETTINGS /path/to/settings.cfg
+         $ flask run
+          * Running on http://127.0.0.1:5000/
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -517,6 +532,15 @@ Environment variables can be set in the shell before starting the server:
          $ flask run
           * Running on http://127.0.0.1:5000/
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x SECRET_KEY "5f352379324c22463451387a0aec5d2f"
+         $ set -x MAIL_ENABLED false
+         $ flask run
+          * Running on http://127.0.0.1:5000/
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/debugging.rst b/docs/debugging.rst
index 66118de2..cd955312 100644
--- a/docs/debugging.rst
+++ b/docs/debugging.rst
@@ -53,6 +53,13 @@ enables the debugger and reloader.
          $ export FLASK_ENV=development
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -106,6 +113,13 @@ When running from the command line:
          $ export FLASK_ENV=development
          $ flask run --no-debugger --no-reload
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+         $ flask run --no-debugger --no-reload
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/patterns/appfactories.rst b/docs/patterns/appfactories.rst
index 79c78d60..a0e88ab3 100644
--- a/docs/patterns/appfactories.rst
+++ b/docs/patterns/appfactories.rst
@@ -98,6 +98,13 @@ To run such an application, you can use the :command:`flask` command:
          $ export FLASK_APP=myapp
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP myapp
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -124,6 +131,13 @@ in ``myapp``. You can also pass arguments to the factory like this:
          $ export FLASK_APP="myapp:create_app('dev')"
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP "myapp:create_app('dev')"
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/patterns/packages.rst b/docs/patterns/packages.rst
index 640f33a8..7c3a34cf 100644
--- a/docs/patterns/packages.rst
+++ b/docs/patterns/packages.rst
@@ -67,6 +67,12 @@ that tells Flask where to find the application instance:
 
          $ export FLASK_APP=yourapplication
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP yourapplication
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -91,6 +97,12 @@ development features like this:
 
          $ export FLASK_ENV=development
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/quickstart.rst b/docs/quickstart.rst
index 283b8fc3..a6956c32 100644
--- a/docs/quickstart.rst
+++ b/docs/quickstart.rst
@@ -54,6 +54,14 @@ to tell your terminal the application to work with by exporting the
          $ flask run
           * Running on http://127.0.0.1:5000/
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP hello
+         $ flask run
+          * Running on http://127.0.0.1:5000/
+
    .. group-tab:: CMD
 
       .. code-block:: text
@@ -166,6 +174,13 @@ variable to ``development`` before calling ``flask run``.
          $ export FLASK_ENV=development
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_ENV development
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/server.rst b/docs/server.rst
index 77b25abb..f674bcd7 100644
--- a/docs/server.rst
+++ b/docs/server.rst
@@ -33,6 +33,14 @@ fully enable development mode.
          $ export FLASK_ENV=development
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP hello
+         $ export FLASK_ENV=development
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/tutorial/deploy.rst b/docs/tutorial/deploy.rst
index 19aa87fc..26940240 100644
--- a/docs/tutorial/deploy.rst
+++ b/docs/tutorial/deploy.rst
@@ -57,6 +57,13 @@ create the database in the instance folder.
          $ export FLASK_APP=flaskr
          $ flask init-db
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP flaskr
+         $ flask init-db
+
    .. group-tab:: CMD
 
       .. code-block:: text
diff --git a/docs/tutorial/factory.rst b/docs/tutorial/factory.rst
index c4a10a6d..73081874 100644
--- a/docs/tutorial/factory.rst
+++ b/docs/tutorial/factory.rst
@@ -145,6 +145,14 @@ follow the tutorial.
          $ export FLASK_ENV=development
          $ flask run
 
+   .. group-tab:: Fish
+
+      .. code-block:: text
+
+         $ set -x FLASK_APP flaskr
+         $ set -x FLASK_ENV development
+         $ flask run
+
    .. group-tab:: CMD
 
       .. code-block:: text