diff --git a/res/layout/private_dns_mode_dialog.xml b/res/layout/private_dns_mode_dialog.xml
index 004401de753..315bb63ffd2 100644
--- a/res/layout/private_dns_mode_dialog.xml
+++ b/res/layout/private_dns_mode_dialog.xml
@@ -41,6 +41,10 @@
                 android:id="@+id/private_dns_mode_cloudflare"
                 layout="@layout/preference_widget_dialog_radiobutton"/>
 
+            <include
+                android:id="@+id/private_dns_mode_adguard"
+                layout="@layout/preference_widget_dialog_radiobutton"/>
+
             <include
                 android:id="@+id/private_dns_mode_opportunistic"
                 layout="@layout/preference_widget_dialog_radiobutton"/>
diff --git a/res/values/evolution_strings.xml b/res/values/evolution_strings.xml
index 1365c09ee11..202a96310cf 100644
--- a/res/values/evolution_strings.xml
+++ b/res/values/evolution_strings.xml
@@ -27,4 +27,9 @@
     <!-- Force LTE_CA -->
     <string name="force_lte_ca">Force LTE CA</string>
     <string name="force_lte_ca_summary">Force LTE carrier aggregation to work</string>
+
+    <!-- AdGuard DNS Option -->
+    <string name="private_dns_mode_adguard" translatable="false">AdGuard DNS</string>
+    <!-- AdGuard DNS hostname -->
+    <string name="private_dns_hostname_adguard" translatable="false">dns.adguard.com</string>
 </resources>
diff --git a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
index be7cec58323..1caeb7de8ba 100644
--- a/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
+++ b/src/com/android/settings/network/PrivateDnsModeDialogPreference.java
@@ -73,11 +73,13 @@ public class PrivateDnsModeDialogPreference extends CustomDialogPreferenceCompat
 
     // Only used in Settings, update on additions to ConnectivitySettingsUtils
     private static final int PRIVATE_DNS_MODE_CLOUDFLARE = 4;
+    private static final int PRIVATE_DNS_MODE_ADGUARD = 5;
 
     static {
         PRIVATE_DNS_MAP = new HashMap<>();
         PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_OFF, R.id.private_dns_mode_off);
         PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_CLOUDFLARE, R.id.private_dns_mode_cloudflare);
+        PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_ADGUARD, R.id.private_dns_mode_adguard);
         PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_OPPORTUNISTIC, R.id.private_dns_mode_opportunistic);
         PRIVATE_DNS_MAP.put(PRIVATE_DNS_MODE_PROVIDER_HOSTNAME, R.id.private_dns_mode_provider);
     }
@@ -145,8 +147,12 @@ public class PrivateDnsModeDialogPreference extends CustomDialogPreferenceCompat
                     ConnectivitySettingsManager.getPrivateDnsHostname(context);
             final String cloudflareHostname =
                     context.getString(R.string.private_dns_hostname_cloudflare);
+            final String adguardHostname =
+                    context.getString(R.string.private_dns_hostname_adguard);
             if (privateDnsHostname.equals(cloudflareHostname)) {
                 mMode = PRIVATE_DNS_MODE_CLOUDFLARE;
+            } else if (privateDnsHostname.equals(adguardHostname)) {
+                mMode = PRIVATE_DNS_MODE_ADGUARD;
             }
         }
         mRadioGroup = view.findViewById(R.id.private_dns_radio_group);
@@ -159,6 +165,9 @@ public class PrivateDnsModeDialogPreference extends CustomDialogPreferenceCompat
         final RadioButton cloudflareRadioButton =
                 view.findViewById(R.id.private_dns_mode_cloudflare);
         cloudflareRadioButton.setText(R.string.private_dns_mode_cloudflare);
+        final RadioButton adguardRadioButton =
+                view.findViewById(R.id.private_dns_mode_adguard);
+        adguardRadioButton.setText(R.string.private_dns_mode_adguard);
         final RadioButton opportunisticRadioButton =
                 view.findViewById(R.id.private_dns_mode_opportunistic);
         opportunisticRadioButton.setText(
@@ -196,6 +205,8 @@ public class PrivateDnsModeDialogPreference extends CustomDialogPreferenceCompat
             mMode = PRIVATE_DNS_MODE_OFF;
         } else if (checkedId == R.id.private_dns_mode_cloudflare) {
             mMode = PRIVATE_DNS_MODE_CLOUDFLARE;
+        } else if (checkedId == R.id.private_dns_mode_adguard) {
+            mMode = PRIVATE_DNS_MODE_ADGUARD;
         } else if (checkedId == R.id.private_dns_mode_opportunistic) {
             mMode = PRIVATE_DNS_MODE_OPPORTUNISTIC;
         } else if (checkedId == R.id.private_dns_mode_provider) {
@@ -291,6 +302,11 @@ public class PrivateDnsModeDialogPreference extends CustomDialogPreferenceCompat
                     context.getString(R.string.private_dns_hostname_cloudflare);
             ConnectivitySettingsManager.setPrivateDnsHostname(context, cloudflareHostname);
             modeToSet = PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
+        } else if (mMode == PRIVATE_DNS_MODE_ADGUARD) {
+            final String adguardHostname =
+                    context.getString(R.string.private_dns_hostname_adguard);
+            ConnectivitySettingsManager.setPrivateDnsHostname(context, adguardHostname);
+            modeToSet = PRIVATE_DNS_MODE_PROVIDER_HOSTNAME;
         }
 
         ConnectivitySettingsManager.setPrivateDnsMode(context, modeToSet);
diff --git a/src/com/android/settings/network/PrivateDnsPreferenceController.java b/src/com/android/settings/network/PrivateDnsPreferenceController.java
index 9a80d0d0b6b..9c0b9bdf00a 100644
--- a/src/com/android/settings/network/PrivateDnsPreferenceController.java
+++ b/src/com/android/settings/network/PrivateDnsPreferenceController.java
@@ -67,6 +67,7 @@ public class PrivateDnsPreferenceController extends BasePreferenceController
 
     // Only used in Settings, update on additions to ConnectivitySettingsUtils
     private static final int PRIVATE_DNS_MODE_CLOUDFLARE = 4;
+    private static final int PRIVATE_DNS_MODE_ADGUARD = 5;
 
     private final Handler mHandler;
     private final ContentObserver mSettingsObserver;
@@ -133,6 +134,7 @@ public class PrivateDnsPreferenceController extends BasePreferenceController
             case PRIVATE_DNS_MODE_OFF:
                 return res.getString(com.android.settingslib.R.string.private_dns_mode_off);
             case PRIVATE_DNS_MODE_CLOUDFLARE:
+            case PRIVATE_DNS_MODE_ADGUARD:
             case PRIVATE_DNS_MODE_OPPORTUNISTIC:
                 return dnsesResolved ? res.getString(R.string.private_dns_mode_on)
                         : res.getString(
@@ -146,8 +148,12 @@ public class PrivateDnsPreferenceController extends BasePreferenceController
                         ConnectivitySettingsManager.getPrivateDnsHostname(mContext);
                 final String cloudflareHostname =
                         res.getString(R.string.private_dns_hostname_cloudflare);
+                final String adguardHostname =
+                        res.getString(R.string.private_dns_hostname_adguard);
                 if (privateDnsHostname.equals(cloudflareHostname)) {
                     return res.getString(R.string.private_dns_mode_cloudflare);
+                } else if (privateDnsHostname.equals(adguardHostname)) {
+                    return res.getString(R.string.private_dns_mode_adguard);
                 }
                 return privateDnsHostname;
         }