diff --git a/doc/src/Howto_viz.rst b/doc/src/Howto_viz.rst
index 2eb009c185..bcad6dddec 100644
--- a/doc/src/Howto_viz.rst
+++ b/doc/src/Howto_viz.rst
@@ -25,7 +25,7 @@ RasMol visualization programs.  Pizza.py has tools that do interactive
 3d OpenGL visualization and one that creates SVG images of dump file
 snapshots.
 
-.. _pizza: https://pizza.sandia.gov
+.. _pizza: https://lammps.github.io/pizza
 
 .. _ensight: https://www.ansys.com/products/fluids/ansys-ensight
 
diff --git a/doc/src/Python_examples.rst b/doc/src/Python_examples.rst
index 7466b52ba9..fe5fe812c5 100644
--- a/doc/src/Python_examples.rst
+++ b/doc/src/Python_examples.rst
@@ -35,9 +35,9 @@ visualization package you have installed.
 Note that for GL, you need to be able to run the Pizza.py GL tool,
 which is included in the pizza sub-directory.  See the Pizza.py doc pages for more info:
 
-* `https://pizza.sandia.gov <pizza_>`_
+* `https://lammps.github.io/pizza <pizza_>`_
 
-.. _pizza: https://pizza.sandia.gov
+.. _pizza: https://lammps.github.io/pizza
 
 Note that for AtomEye, you need version 3, and there is a line in the
 scripts that specifies the path and name of the executable.  See the
diff --git a/doc/src/Tools.rst b/doc/src/Tools.rst
index e7cd87aa78..7eb6515fad 100644
--- a/doc/src/Tools.rst
+++ b/doc/src/Tools.rst
@@ -15,7 +15,7 @@ Sandia which provides tools for doing setup, analysis, plotting, and
 visualization for LAMMPS simulations.
 
 .. _lws: https://www.lammps.org
-.. _pizza: https://pizza.sandia.gov
+.. _pizza: https://lammps.github.io/pizza
 .. _python: https://www.python.org
 
 Additional tools included in the LAMMPS distribution are described on
diff --git a/doc/src/balance.rst b/doc/src/balance.rst
index 5d42fabb21..f7ae4c6bff 100644
--- a/doc/src/balance.rst
+++ b/doc/src/balance.rst
@@ -558,7 +558,7 @@ Related commands
 :doc:`group <group>`, :doc:`processors <processors>`,
 :doc:`fix balance <fix_balance>`, :doc:`comm_style <comm_style>`
 
-.. _pizza: https://pizza.sandia.gov
+.. _pizza: https://lammps.github.io/pizza
 
 Default
 """""""
diff --git a/doc/src/dump.rst b/doc/src/dump.rst
index a5f11a792a..b55cde650e 100644
--- a/doc/src/dump.rst
+++ b/doc/src/dump.rst
@@ -230,7 +230,7 @@ individual values and the file itself.
 The *atom*\ , *local*\ , and *custom* styles create files in a simple text
 format that is self-explanatory when viewing a dump file.  Some of the
 LAMMPS post-processing tools described on the :doc:`Tools <Tools>` doc
-page, including `Pizza.py <https://pizza.sandia.gov>`_,
+page, including `Pizza.py <https://lammps.github.io/pizza>`_,
 work with this format, as does the :doc:`rerun <rerun>` command.
 
 For post-processing purposes the *atom*\ , *local*\ , and *custom* text
diff --git a/doc/src/dump_image.rst b/doc/src/dump_image.rst
index 3923d5c2dc..291aeae9c3 100644
--- a/doc/src/dump_image.rst
+++ b/doc/src/dump_image.rst
@@ -590,8 +590,8 @@ Play the movie:
      % mplayer foo.mpg
      % ffplay bar.avi
 
-* c) Use the `Pizza.py <https://pizza.sandia.gov>`_
-  `animate tool <https://pizza.sandia.gov/doc/animate.html>`_,
+* c) Use the `Pizza.py <https://lammps.github.io/pizza>`_
+  `animate tool <https://lammps.github.io/pizza/doc/animate.html>`_,
   which works directly on a series of image files.
 
   .. code-block:: python
diff --git a/doc/src/fix_balance.rst b/doc/src/fix_balance.rst
index 8bab8ebefc..772f049461 100644
--- a/doc/src/fix_balance.rst
+++ b/doc/src/fix_balance.rst
@@ -403,7 +403,7 @@ Related commands
 :doc:`group <group>`, :doc:`processors <processors>`, :doc:`balance <balance>`,
 :doc:`comm_style <comm_style>`
 
-.. _pizza: https://pizza.sandia.gov
+.. _pizza: https://lammps.github.io/pizza
 
 Default
 """""""