diff --git a/app/code/Magento/Checkout/Block/Checkout/AttributeMerger.php b/app/code/Magento/Checkout/Block/Checkout/AttributeMerger.php
index a2880c28844ac..dcfe1cd5e2038 100644
--- a/app/code/Magento/Checkout/Block/Checkout/AttributeMerger.php
+++ b/app/code/Magento/Checkout/Block/Checkout/AttributeMerger.php
@@ -321,6 +321,11 @@ protected function getDefaultValue($attributeCode)
                     return $this->getCustomer()->getFirstname();
                 }
                 break;
+            case 'middlename':
+                if ($this->getCustomer()) {
+                    return $this->getCustomer()->getMiddlename();
+                }
+                break;
             case 'lastname':
                 if ($this->getCustomer()) {
                     return $this->getCustomer()->getLastname();
diff --git a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/details.html b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/details.html
index 17754b81849f5..f2baf5d50030e 100644
--- a/app/code/Magento/Checkout/view/frontend/web/template/billing-address/details.html
+++ b/app/code/Magento/Checkout/view/frontend/web/template/billing-address/details.html
@@ -5,7 +5,7 @@
  */
 -->
 <div class="billing-address-details" data-bind="if: isAddressDetailsVisible() && currentBillingAddress()">
-    <!-- ko text: currentBillingAddress().prefix --><!-- /ko --> <!-- ko text: currentBillingAddress().firstname --><!-- /ko -->
+    <!-- ko text: currentBillingAddress().prefix --><!-- /ko --> <!-- ko text: currentBillingAddress().firstname --><!-- /ko --> <!-- ko text: currentBillingAddress().middlename --><!-- /ko -->
     <!-- ko text: currentBillingAddress().lastname --><!-- /ko --> <!-- ko text: currentBillingAddress().suffix --><!-- /ko --><br/>
     <!-- ko text: currentBillingAddress().street --><!-- /ko --><br/>
     <!-- ko text: currentBillingAddress().city --><!-- /ko -->, <span data-bind="html: currentBillingAddress().region"></span> <!-- ko text: currentBillingAddress().postcode --><!-- /ko --><br/>
diff --git a/app/code/Magento/Checkout/view/frontend/web/template/shipping-address/address-renderer/default.html b/app/code/Magento/Checkout/view/frontend/web/template/shipping-address/address-renderer/default.html
index 4c3ce84baac4d..f9400227fae09 100644
--- a/app/code/Magento/Checkout/view/frontend/web/template/shipping-address/address-renderer/default.html
+++ b/app/code/Magento/Checkout/view/frontend/web/template/shipping-address/address-renderer/default.html
@@ -5,7 +5,7 @@
  */
 -->
 <div class="shipping-address-item" data-bind="css: isSelected() ? 'selected-item' : 'not-selected-item'">
-    <!-- ko text: address().prefix --><!-- /ko --> <!-- ko text: address().firstname --><!-- /ko -->
+    <!-- ko text: address().prefix --><!-- /ko --> <!-- ko text: address().firstname --><!-- /ko --> <!-- ko text: address().middlename --><!-- /ko -->
     <!-- ko text: address().lastname --><!-- /ko --> <!-- ko text: address().suffix --><!-- /ko --><br/>
     <!-- ko text: address().street --><!-- /ko --><br/>
     <!-- ko text: address().city --><!-- /ko -->, <span data-bind="html: address().region"></span> <!-- ko text: address().postcode --><!-- /ko --><br/>
diff --git a/app/code/Magento/Checkout/view/frontend/web/template/shipping-information/address-renderer/default.html b/app/code/Magento/Checkout/view/frontend/web/template/shipping-information/address-renderer/default.html
index c3afce6c4537f..ec41cae0bdc5e 100644
--- a/app/code/Magento/Checkout/view/frontend/web/template/shipping-information/address-renderer/default.html
+++ b/app/code/Magento/Checkout/view/frontend/web/template/shipping-information/address-renderer/default.html
@@ -5,7 +5,7 @@
  */
 -->
 <!-- ko if: (visible()) -->
-    <!-- ko text: address().prefix --><!-- /ko --> <!-- ko text: address().firstname --><!-- /ko -->
+    <!-- ko text: address().prefix --><!-- /ko --> <!-- ko text: address().firstname --><!-- /ko --> <!-- ko text: address().middlename --><!-- /ko -->
     <!-- ko text: address().lastname --><!-- /ko --> <!-- ko text: address().suffix --><!-- /ko --><br/>
     <!-- ko text: address().street --><!-- /ko --><br/>
     <!-- ko text: address().city --><!-- /ko -->, <span data-bind="html: address().region"></span> <!-- ko text: address().postcode --><!-- /ko --><br/>