diff --git a/templates/contest/ranking-table.html b/templates/contest/ranking-table.html
index fd539dd..d138a70 100644
--- a/templates/contest/ranking-table.html
+++ b/templates/contest/ranking-table.html
@@ -7,6 +7,7 @@
         <th>{{ _('Rating') }}</th>
     {% endif %}
     <th class="organization-column">{{ _('Organization') }}</th>
+    <th class="fullname-column" style="display: none;">Tên thật</th>
 {% endblock %}
 
 {% block after_rank %}
@@ -20,6 +21,14 @@
             </a></span>
         {% endif %}
     </td>
+
+    <td class="fullname-column" style="display: none;"> 
+        {% if user.user.first_name %}
+            <span class="fullname">
+                {{ user.user.first_name }}
+            </span>
+        {% endif %}
+    </td>
 {% endblock %}
 
 {% block user_data %}
diff --git a/templates/contest/ranking.html b/templates/contest/ranking.html
index 7a61cb2..90638d0 100644
--- a/templates/contest/ranking.html
+++ b/templates/contest/ranking.html
@@ -120,6 +120,16 @@
             color: gray !important;
             font-weight: 600;
         }
+
+        .fullname-column {
+            text-align: right !important;
+            border-right: none !important;
+        }
+
+        .fullname-column span {
+            color: gray !important;
+            font-weight: 600;
+        }
     </style>
 
     {% if has_rating %}
@@ -299,6 +309,9 @@
             $('#show-organizations-checkbox').click(function () {
                 $('.organization-column').toggle();
             });
+            $('#show-fullnames-checkbox').click(function () { 
+                $('.fullname-column').toggle();
+            });
             {% if request.user.is_authenticated %}
             $('#show-friends-checkbox').click(function() {
                 let checked = $('#show-friends-checkbox').is(':checked');
@@ -332,6 +345,9 @@
         <input id="show-organizations-checkbox" type="checkbox" style="vertical-align: bottom">
         <label for="show-organizations-checkbox" style="vertical-align: bottom; margin-right: 1em;">{{ _('Show organizations') }}</label>
     
+        <input id="show-fullnames-checkbox" type="checkbox" style="vertical-align: bottom">
+
+        <label for="show-fullnames-checkbox" style="vertical-align: bottom; margin-right: 1em;">Hiển thị tên thật</label>
         {% if request.user.is_authenticated %}
         <input id="show-friends-checkbox" type="checkbox" style="vertical-align: bottom;">
         <label for="show-friends-checkbox" style="vertical-align: bottom;">{{ _('Show friends only') }}</label>