diff --git a/roles/kalite/tasks/install.yml b/roles/kalite/tasks/install.yml
index 6eb69859c..6d0c8765e 100644
--- a/roles/kalite/tasks/install.yml
+++ b/roles/kalite/tasks/install.yml
@@ -17,12 +17,12 @@
       - python-setuptools    # Provides setuptools-44 on recent OS's (last version compatible with python2)
       - virtualenv           # Drags in 'python3-virtualenv' which in turn drags in 'python3-pip' -- for Ansible module 'pip' when used with 'virtualenv_command: /usr/bin/virtualenv' and 'virtualenv_python: python2.7' -- compare package 'python3-venv' used by roles {calibre-web, jupyterhub, lokole}
     state: present
-  when: not (is_debian_12 or is_ubuntu_2304)
+  when: not (is_debian_12 or is_ubuntu_2304 or is_ubuntu_2310)
   # 2020-03-31: Testing for {is_raspbian_9, is_raspbian_10} is not currently nec, as testing for {is_debian_9, is_debian_10} covers that already.
 
 - name: Use scripts/install_python2.sh to install python2 and virtualenv
   command: "{{ iiab_dir }}/scripts/install_python2.sh"
-  when: is_debian_12 or is_ubuntu_2304
+  when: is_debian_12 or is_ubuntu_2304 or is_ubuntu_2310
 
 - name: Use pip to pin setuptools to 44 in {{ kalite_venv }}    # WAS: if Raspbian/Debian > 10 or Ubuntu > 19
   pip:
diff --git a/scripts/local_facts.fact b/scripts/local_facts.fact
index ac2b73511..27fa281fb 100755
--- a/scripts/local_facts.fact
+++ b/scripts/local_facts.fact
@@ -84,6 +84,7 @@ case $OS_VER in
     "ubuntu-2204"  | \
     "ubuntu-2210"  | \
     "ubuntu-2304"  | \
+    "ubuntu-2310"  | \
     "linuxmint-21" | \
     "raspbian-11"  | \
     "raspbian-12")
diff --git a/vars/default_vars.yml b/vars/default_vars.yml
index 2e91080d9..4786cbe94 100644
--- a/vars/default_vars.yml
+++ b/vars/default_vars.yml
@@ -773,6 +773,7 @@ pbx_http_port: 83
 is_debuntu: False    # Covers all 4: Ubuntu, Linux Mint, Debian, Raspberry Pi OS (Raspbian)
 
 is_ubuntu: False    # Covers: Ubuntu, Linux Mint
+is_ubuntu_2310: False
 is_ubuntu_2304: False
 is_ubuntu_2210: False
 is_ubuntu_2204: False
diff --git a/vars/ubuntu-2310.yml b/vars/ubuntu-2310.yml
new file mode 100644
index 000000000..445ae061b
--- /dev/null
+++ b/vars/ubuntu-2310.yml
@@ -0,0 +1,21 @@
+# Every is_<OS_VER> var is initially set to 'False' at the bottom of
+# /opt/iiab/iiab/vars/default_vars.yml -- these 'True' lines override that:
+is_debuntu: True
+is_ubuntu: True    # Opposite of is_debian for now
+is_ubuntu_2310: True
+
+# proxy: squid
+# proxy_user: proxy
+# apache_service: apache2
+# apache_user: www-data
+# smb_service: smbd
+# nmb_service: nmbd
+# systemctl_program: /bin/systemctl
+# mysql_service: mariadb
+# sshd_package: openssh-server
+# sshd_service: ssh
+# systemd_location: /lib/systemd/system
+# php_version: "8.1"
+# postgresql_version: 14
+# python_version: "3.10"
+