diff --git a/asv/www/graphdisplay.js b/asv/www/graphdisplay.js
index 55a465353..0e2c322d9 100644
--- a/asv/www/graphdisplay.js
+++ b/asv/www/graphdisplay.js
@@ -21,6 +21,8 @@ $(document).ready(function() {
     var select_reference = false;
     /* The reference value */
     var reference = 1.0;
+    /* Whether to show the legend */
+    var show_legend = true;
     /* Is even commit spacing being used? */
     var even_spacing = false;
     var even_spacing_revisions = [];
@@ -257,6 +259,11 @@ $(document).ready(function() {
             $('#even-spacing').removeClass('active');
             update_state_url({'x-axis-scale': date_scale ? ['date'] : []});
         });
+        
+        $('#show-legend').on('click', function(evt) {
+            show_legend = !show_legend;
+            update_state_url({'show-legend': show_legend ? [] : [false]});
+        });
 
         tooltip = $("<div></div>");
         tooltip.appendTo("body");
@@ -1178,6 +1185,7 @@ $(document).ready(function() {
                 mode: "x"
             },
             legend: {
+                show: show_legend,
                 position: "nw",
                 labelFormatter: function(label, series) {
                     // Ensure HTML escaping
@@ -1384,6 +1392,22 @@ $(document).ready(function() {
             }
             delete params['x-axis-scale'];
         }
+    
+        var show_legend_button = $('#show-legend')
+        if (params['show-legend']) {
+            if (params['show-legend'][0] === 'false') {
+                show_legend = false;
+                show_legend_button.removeClass('active');
+            }
+            else {
+                show_legend_button.addClass('active');
+                show_legend = true;
+            }
+            delete params['show-legend'];
+        }
+        else {
+            show_legend_button.addClass('active');
+        }
 
         if (Object.keys(params).length > 0) {
             state_selection = params;
diff --git a/asv/www/index.html b/asv/www/index.html
index 63d67db3e..d1651ba04 100644
--- a/asv/www/index.html
+++ b/asv/www/index.html
@@ -141,6 +141,11 @@
                  title="Space commits by commit date along the x-axis">
                 date scale
               </a>
+              <a id="show-legend" class="btn btn-default btn-xs" role="button"
+                 data-toggle="tooltip" data-placement="right"
+                 title="Show legend in the graph">
+                legend
+              </a>
             </div>
           </div>
         </div>