diff --git a/doc/source/_templates/autosummary/attribute.rst b/doc/source/_templates/autosummary/attribute.rst
index a6ed600ef7b9..9e0eaa25fdfb 100644
--- a/doc/source/_templates/autosummary/attribute.rst
+++ b/doc/source/_templates/autosummary/attribute.rst
@@ -6,5 +6,8 @@
 
 attribute
 
-.. auto{{ objtype }}:: {{ objname }}
+.. auto{{ objtype }}:: {{ fullname | replace("numpy.", "numpy::") }}
 
+{# In the fullname (e.g. `numpy.ma.MaskedArray.methodname`), the module name
+is ambiguous. Using a `::` separator (e.g. `numpy::ma.MaskedArray.methodname`)
+specifies `numpy` as the module name. #}
diff --git a/doc/source/_templates/autosummary/base.rst b/doc/source/_templates/autosummary/base.rst
index 0331154a7cf6..91bfff9ba870 100644
--- a/doc/source/_templates/autosummary/base.rst
+++ b/doc/source/_templates/autosummary/base.rst
@@ -10,5 +10,8 @@
 property
 {% endif %}
 
-.. auto{{ objtype }}:: {{ objname }}
+.. auto{{ objtype }}:: {{ fullname | replace("numpy.", "numpy::") }}
 
+{# In the fullname (e.g. `numpy.ma.MaskedArray.methodname`), the module name
+is ambiguous. Using a `::` separator (e.g. `numpy::ma.MaskedArray.methodname`)
+specifies `numpy` as the module name. #}
diff --git a/doc/source/_templates/autosummary/member.rst b/doc/source/_templates/autosummary/member.rst
index f1f30e12385e..c0dcd5ed2676 100644
--- a/doc/source/_templates/autosummary/member.rst
+++ b/doc/source/_templates/autosummary/member.rst
@@ -6,6 +6,8 @@
 
 member
 
-.. auto{{ objtype }}:: {{ objname }}
-
+.. auto{{ objtype }}:: {{ fullname | replace("numpy.", "numpy::") }}
 
+{# In the fullname (e.g. `numpy.ma.MaskedArray.methodname`), the module name
+is ambiguous. Using a `::` separator (e.g. `numpy::ma.MaskedArray.methodname`)
+specifies `numpy` as the module name. #}
diff --git a/doc/source/_templates/autosummary/method.rst b/doc/source/_templates/autosummary/method.rst
index 8abda8677cf4..0dd2263932c6 100644
--- a/doc/source/_templates/autosummary/method.rst
+++ b/doc/source/_templates/autosummary/method.rst
@@ -6,5 +6,8 @@
 
 method
 
-.. auto{{ objtype }}:: {{ objname }}
+.. auto{{ objtype }}:: {{ fullname | replace("numpy.", "numpy::") }}
 
+{# In the fullname (e.g. `numpy.ma.MaskedArray.methodname`), the module name
+is ambiguous. Using a `::` separator (e.g. `numpy::ma.MaskedArray.methodname`)
+specifies `numpy` as the module name. #}