diff --git a/playbooks/deploy.yaml b/playbooks/deploy.yaml
index fe0cf78..e032782 100644
--- a/playbooks/deploy.yaml
+++ b/playbooks/deploy.yaml
@@ -54,6 +54,9 @@
   roles:
     - certbot
 
+- name: Ensure OnlyOffice custom fonts
+  ansible.builtin.import_playbook: onlyoffice_fonts.yaml
+
 - name: Ensure Docker Compose deployment on docker_compose_hosts
   hosts: docker_compose_hosts
   roles:
diff --git a/playbooks/onlyoffice_fonts.yaml b/playbooks/onlyoffice_fonts.yaml
new file mode 100644
index 0000000..00ad32e
--- /dev/null
+++ b/playbooks/onlyoffice_fonts.yaml
@@ -0,0 +1,54 @@
+- name: Ensure custom fonts are added to OnlyOffice
+  hosts: onlyoffice
+  tasks:
+    - name: ensure the `/ansible_docker_compose/fonts/export` directory exists
+      ansible.builtin.file:
+        path: /ansible_docker_compose/fonts/export
+        state: directory
+        mode: "0755"
+        owner: root
+        group: root
+      become: true
+
+    # Relevant volume added in onlyoffice compose.yaml.
+
+    # Add di.day fonts.
+    # See: https://codeberg.org/DI-Day/creative-identity/src/commit/864876576996394cec34fd54e739c8b1236ab4c8/assets/README.md
+    - name: (di.day fonts) ensure source is present
+      ansible.builtin.get_url:
+        url: https://codeberg.org/DI-Day/creative-identity/archive/864876576996394cec34fd54e739c8b1236ab4c8:assets/fonts.tar.gz
+        dest: /ansible_docker_compose/fonts/diday_src.tar.gz
+        checksum: sha256:b343593b86df46b559b592b49b6f07a864b3435b8b202f2f52e31c27fc0dbedb
+        mode: "0644"
+        owner: root
+        group: root
+      become: true
+      register: onlyoffice_fonts__diday_src
+
+    - name: (di.day fonts) ensure export is absent
+      ansible.builtin.file:
+        path: /ansible_docker_compose/fonts/export/diday
+        state: absent
+      become: true
+      when: onlyoffice_fonts__diday_src.changed # noqa: no-handler
+
+    - name: (di.day fonts) ensure export directory is absent
+      ansible.builtin.file:
+        path: /ansible_docker_compose/fonts/export/diday
+        state: directory
+        mode: "0755"
+        owner: root
+        group: root
+      become: true
+      when: onlyoffice_fonts__diday_src.changed # noqa: no-handler
+
+    - name: (di.day fonts) ensure export has content
+      ansible.builtin.unarchive:
+        remote_src: true
+        src: /ansible_docker_compose/fonts/diday_src.tar.gz
+        dest: /ansible_docker_compose/fonts/export/diday
+        mode: "0755"
+        owner: root
+        group: root
+      become: true
+      when: onlyoffice_fonts__diday_src.changed # noqa: no-handler
diff --git a/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2 b/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
index 8bc37e9..5f3478d 100644
--- a/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
+++ b/resources/chaosknoten/onlyoffice/docker_compose/compose.yaml.j2
@@ -11,6 +11,7 @@ services:
       - "./onlyoffice/DocumentServer/data:/var/www/onlyoffice/Data"
       - "./onlyoffice/DocumentServer/lib:/var/lib/onlyoffice"
       - "./onlyoffice/DocumentServer/db:/var/lib/postgresql"
+      - "./fonts/export:/usr/share/fonts/custom:ro"
     ports:
       - "8080:80"
     environment: