diff --git a/security/acme-client/pkg-descr b/security/acme-client/pkg-descr
index 1696ab3f6..c9429ff87 100644
--- a/security/acme-client/pkg-descr
+++ b/security/acme-client/pkg-descr
@@ -16,6 +16,7 @@ full backup and include /var/etc/acme-client.
 
 Added:
 * add Aurora DNS API
+* add ConoHa DNS API
 
 Changed:
 * use a dedicated acme.sh runtime directory for every cert (#3127)
diff --git a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
index 204ed2bf6..7f6addf3d 100644
--- a/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
+++ b/security/acme-client/src/opnsense/mvc/app/controllers/OPNsense/AcmeClient/forms/dialogValidation.xml
@@ -1717,4 +1717,29 @@
         <label>Secret</label>
         <type>password</type>
     </field>
+    <field>
+        <label>ConoHa</label>
+        <type>header</type>
+        <style>table_dns table_dns_conoha</style>
+    </field>
+    <field>
+        <id>validation.dns_conoha_user</id>
+        <label>User</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_conoha_password</id>
+        <label>Password</label>
+        <type>password</type>
+    </field>
+    <field>
+        <id>validation.dns_conoha_tenantid</id>
+        <label>Tenant ID</label>
+        <type>text</type>
+    </field>
+    <field>
+        <id>validation.dns_conoha_idapi</id>
+        <label>Identity Service API</label>
+        <type>text</type>
+    </field>
 </form>
diff --git a/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsConoha.php b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsConoha.php
new file mode 100644
index 000000000..f1c46fc51
--- /dev/null
+++ b/security/acme-client/src/opnsense/mvc/app/library/OPNsense/AcmeClient/LeValidation/DnsConoha.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * Copyright (C) 2024 Frank Wall
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OPNsense\AcmeClient\LeValidation;
+
+use OPNsense\AcmeClient\LeValidationInterface;
+use OPNsense\Core\Config;
+
+/**
+ * ConoHa API
+ * @package OPNsense\AcmeClient
+ */
+class DnsConoha extends Base implements LeValidationInterface
+{
+    public function prepare()
+    {
+        $this->acme_env['CONOHA_Username'] = (string)$this->config->dns_conoha_user;
+        $this->acme_env['CONOHA_Password'] = (string)$this->config->dns_conoha_password;
+        $this->acme_env['CONOHA_TenantId'] = (string)$this->config->dns_conoha_tenantid;
+        $this->acme_env['CONOHA_IdentityServiceApi'] = (string)$this->config->dns_conoha_idapi;
+    }
+}
diff --git a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
index 24770735a..82bad6b75 100644
--- a/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
+++ b/security/acme-client/src/opnsense/mvc/app/models/OPNsense/AcmeClient/AcmeClient.xml
@@ -435,6 +435,7 @@
                         <dns_cf>CloudFlare.com</dns_cf>
                         <dns_cx>CloudXNS.com</dns_cx>
                         <dns_cn>Core-Networks</dns_cn>
+                        <dns_conoha>ConoHa</dns_conoha>
                         <dns_cpanel>cPanel</dns_cpanel>
                         <dns_cyon>cyon.ch</dns_cyon>
                         <dns_ddnss>DDNSS</dns_ddnss>
@@ -1202,6 +1203,19 @@
                 <dns_aurora_secret type="TextField">
                     <Required>N</Required>
                 </dns_aurora_secret>
+                <dns_conoha_user type="TextField">
+                    <Required>N</Required>
+                </dns_conoha_user>
+                <dns_conoha_password type="TextField">
+                    <Required>N</Required>
+                </dns_conoha_password>
+                <dns_conoha_tenantid type="TextField">
+                    <Required>N</Required>
+                </dns_conoha_tenantid>
+                <dns_conoha_idapi type="TextField">
+                    <Required>N</Required>
+                    <default>https://identity.xxxx.conoha.io/v2.0</default>
+                </dns_conoha_idapi>
             </validation>
         </validations>
         <actions>