diff --git a/doc/hgrc.5.txt b/doc/hgrc.5.txt
--- a/doc/hgrc.5.txt
+++ b/doc/hgrc.5.txt
@@ -525,6 +525,8 @@ web::
     Default is "unknown".
   errorlog;;
     Where to output the error log. Default is stderr.
+  hidden;;
+    Whether to hide the repository in the hgwebdir index. Default is false.
   ipv6;;
     Whether to use IPv6. Default is false.
   name;;
diff --git a/mercurial/hgweb/hgwebdir_mod.py b/mercurial/hgweb/hgwebdir_mod.py
--- a/mercurial/hgweb/hgwebdir_mod.py
+++ b/mercurial/hgweb/hgwebdir_mod.py
@@ -142,6 +142,9 @@ class hgwebdir(object):
                 def get(section, name, default=None):
                     return u.config(section, name, default, untrusted=True)
 
+                if u.configbool("web", "hidden", untrusted=True):
+                    continue
+
                 url = ('/'.join([req.env["REQUEST_URI"].split('?')[0], name])
                        .replace("//", "/")) + '/'