diff --git a/CHANGELOG.md b/CHANGELOG.md
index def90e6954b2..4801f202643a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ Versions are `MAJOR.PATCH`.
 ### Changed
 
 ### Fixed
+- [#56237](https://github.com/saltstack/salt/pull/56237) - Fix alphabetical ordering and remove duplicates across all documentation indexes - [@myii](https://github.com/myii)
 - [#56082](https://github.com/saltstack/salt/pull/56082) - Fix saltversioninfo grain for new version
 - [#56143](https://github.com/saltstack/salt/pull/56143) - Use encoding when caching pillar data
 - [#56172](https://github.com/saltstack/salt/pull/56172) - Only change mine data if using new allow_tgt feature
diff --git a/doc/ref/cli/index.rst b/doc/ref/cli/index.rst
index fccf51d1db9d..99e31b3cb6a3 100644
--- a/doc/ref/cli/index.rst
+++ b/doc/ref/cli/index.rst
@@ -2,6 +2,12 @@
 Command Line Reference
 ======================
 
+salt-api
+========
+.. toctree::
+
+    salt-api
+
 salt-call
 =========
 .. toctree::
@@ -80,12 +86,6 @@ salt-unity
 
     salt-unity
 
-salt-api
-========
-.. toctree::
-
-    salt-api
-
 spm
 ===
 .. toctree::
diff --git a/doc/ref/grains/all/index.rst b/doc/ref/grains/all/index.rst
index 9fd6a0171e6c..bd019ca55a0d 100644
--- a/doc/ref/grains/all/index.rst
+++ b/doc/ref/grains/all/index.rst
@@ -10,8 +10,8 @@ grains modules
     :toctree:
     :template: autosummary.rst.tmpl
 
-    cimc
     chronos
+    cimc
     core
     disks
     esxi
diff --git a/doc/ref/modules/all/index.rst b/doc/ref/modules/all/index.rst
index e68b1474e3e6..0ee95768464e 100644
--- a/doc/ref/modules/all/index.rst
+++ b/doc/ref/modules/all/index.rst
@@ -113,10 +113,10 @@ execution modules
     ddns
     deb_apache
     deb_postgres
-    debuild_pkgbuild
     debconfmod
     debian_ip
     debian_service
+    debuild_pkgbuild
     defaults
     devmap
     dig
@@ -175,12 +175,12 @@ execution modules
     hg
     hosts
     http
+    icinga2
     ifttt
     ilo
-    icinga2
     incron
-    influxdbmod
     influxdb08mod
+    influxdbmod
     infoblox
     ini_manage
     inspectlib
@@ -238,11 +238,9 @@ execution modules
     lxd
     mac_assistive
     mac_brew_pkg
-    macdefaults
     mac_desktop
     mac_group
     mac_keychain
-    macpackage
     mac_pkgutil
     mac_portspkg
     mac_power
@@ -254,6 +252,8 @@ execution modules
     mac_timezone
     mac_user
     mac_xattr
+    macdefaults
+    macpackage
     makeconf
     mandrill
     marathon
@@ -277,16 +277,15 @@ execution modules
     nacl
     nagios
     nagios_rpc
-    namecheap_domains_dns
     namecheap_domains
+    namecheap_domains_dns
     namecheap_domains_ns
     namecheap_ssl
     namecheap_users
-    napalm_mod
-    napalm_netacl
     napalm_bgp
     napalm_formula
     napalm_mod
+    napalm_netacl
     napalm_network
     napalm_ntp
     napalm_probes
@@ -414,6 +413,7 @@ execution modules
     smbios
     smf_service
     smtp
+    snapper
     solaris_fmadm
     solaris_group
     solaris_shadow
@@ -429,7 +429,6 @@ execution modules
     ssh
     ssh_pkg
     ssh_service
-    snapper
     state
     status
     statuspage
@@ -450,8 +449,8 @@ execution modules
     telemetry
     temp
     test
-    testinframod
     test_virtual
+    testinframod
     textfsm_mod
     timezone
     tls
@@ -497,7 +496,6 @@ execution modules
     win_pki
     win_powercfg
     win_psget
-    winrepo
     win_servermanager
     win_service
     win_shadow
@@ -510,6 +508,7 @@ execution modules
     win_useradd
     win_wua
     win_wusa
+    winrepo
     x509
     xapi_virt
     xbpspkg
diff --git a/doc/ref/proxy/all/index.rst b/doc/ref/proxy/all/index.rst
index 33ae5f4df3ac..675b46d41870 100644
--- a/doc/ref/proxy/all/index.rst
+++ b/doc/ref/proxy/all/index.rst
@@ -11,7 +11,6 @@ proxy modules
     :template: autosummary.rst.tmpl
 
     arista_pyeapi
-    cimc
     chronos
     cimc
     cisconso
diff --git a/doc/ref/states/all/index.rst b/doc/ref/states/all/index.rst
index 0c71b922810a..fe3af4106ab0 100644
--- a/doc/ref/states/all/index.rst
+++ b/doc/ref/states/all/index.rst
@@ -90,9 +90,9 @@ state modules
     elasticsearch_index_template
     environ
     eselect
+    esxi
     etcd_mod
     ethtool
-    esxi
     event
     file
     firewall
@@ -168,10 +168,10 @@ state modules
     lvs_service
     lxc
     mac_assistive
-    macdefaults
     mac_keychain
-    macpackage
     mac_xattr
+    macdefaults
+    macpackage
     makeconf
     marathon_app
     mdadm_raid
@@ -188,13 +188,13 @@ state modules
     mysql_grants
     mysql_query
     mysql_user
+    net_napalm_yang
     netacl
     netconfig
     netntp
     netsnmp
     netusers
     network
-    net_napalm_yang
     neutron_network
     neutron_secgroup
     neutron_secgroup_rule
@@ -215,8 +215,8 @@ state modules
     pagerduty_user
     panos
     pcs
-    pecl
     pdbedit
+    pecl
     pip_state
     pkg
     pkgbuild
@@ -329,8 +329,8 @@ state modules
     zabbix_valuemap
     zcbuildout
     zenoss
-    zk_concurrency
     zfs
+    zk_concurrency
     zone
     zookeeper
     zpool