diff --git a/rhodecode/apps/home/views.py b/rhodecode/apps/home/views.py
--- a/rhodecode/apps/home/views.py
+++ b/rhodecode/apps/home/views.py
@@ -35,8 +35,8 @@ from rhodecode.lib.index import searcher
 from rhodecode.lib.utils2 import safe_unicode, str2bool, safe_int
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.model.db import (
-    func, true, or_, case, in_filter_generator, Session,
-    Repository, RepoGroup, User, UserGroup)
+    func, true, or_, case, cast, in_filter_generator, String, Session,
+    Repository, RepoGroup, User, UserGroup, PullRequest)
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.repo_group import RepoGroupModel
 from rhodecode.model.user import UserModel
@@ -111,7 +111,7 @@ class HomeView(BaseAppView, DataGridAppV
         org_query = name_contains
         allowed_ids = self._rhodecode_user.repo_acl_ids(
             ['repository.read', 'repository.write', 'repository.admin'],
-            cache=False, name_filter=name_contains) or [-1]
+            cache=True, name_filter=name_contains) or [-1]
 
         query = Session().query(
                 Repository.repo_name,
@@ -162,7 +162,7 @@ class HomeView(BaseAppView, DataGridAppV
         org_query = name_contains
         allowed_ids = self._rhodecode_user.repo_group_acl_ids(
             ['group.read', 'group.write', 'group.admin'],
-            cache=False, name_filter=name_contains) or [-1]
+            cache=True, name_filter=name_contains) or [-1]
 
         query = Session().query(
                 RepoGroup.group_id,
@@ -282,6 +282,61 @@ class HomeView(BaseAppView, DataGridAppV
             }
             for obj in acl_iter], True
 
+    def _get_pull_request_list(self, name_contains=None, limit=20):
+        org_query = name_contains
+        if not name_contains:
+            return [], False
+
+        # TODO(marcink): should all logged in users be allowed to search others?
+        allowed_user_search = self._rhodecode_user.username != User.DEFAULT_USER
+        if not allowed_user_search:
+            return [], False
+
+        name_contains = re.compile('(?:pr:[ ]?)(.+)').findall(name_contains)
+        if len(name_contains) != 1:
+            return [], False
+
+        name_contains = name_contains[0]
+
+        allowed_ids = self._rhodecode_user.repo_acl_ids(
+            ['repository.read', 'repository.write', 'repository.admin'],
+            cache=True) or [-1]
+
+        query = Session().query(
+                PullRequest.pull_request_id,
+                PullRequest.title,
+            )
+        query = query.join(Repository, Repository.repo_id == PullRequest.target_repo_id)
+
+        query = query.filter(or_(
+            # generate multiple IN to fix limitation problems
+            *in_filter_generator(Repository.repo_id, allowed_ids)
+        ))
+
+        query = query.order_by(PullRequest.pull_request_id)
+
+        if name_contains:
+            ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
+            query = query.filter(or_(
+                cast(PullRequest.pull_request_id, String).ilike(ilike_expression),
+                PullRequest.title.ilike(ilike_expression),
+                PullRequest.description.ilike(ilike_expression),
+            ))
+
+            query = query.limit(limit)
+
+        acl_iter = query
+
+        return [
+            {
+                'id': obj.pull_request_id,
+                'value': org_query,
+                'value_display': 'pull request: `!{} - {}`'.format(obj.pull_request_id, obj.title[:50]),
+                'type': 'pull_request',
+                'url': h.route_path('pull_requests_global', pull_request_id=obj.pull_request_id)
+            }
+            for obj in acl_iter], True
+
     def _get_hash_commit_list(self, auth_user, searcher, query, repo=None, repo_group=None):
         repo_name = repo_group_name = None
         if repo:
@@ -624,6 +679,17 @@ class HomeView(BaseAppView, DataGridAppV
                 has_specialized_search = True
                 res.append(no_match('No matching user groups found'))
 
+        # pr: type search
+        if not prefix_match:
+            pull_requests, prefix_match = self._get_pull_request_list(query)
+            if pull_requests:
+                has_specialized_search = True
+                for serialized_pull_request in pull_requests:
+                    res.append(serialized_pull_request)
+            elif prefix_match:
+                has_specialized_search = True
+                res.append(no_match('No matching pull requests found'))
+
         # FTS commit: type search
         if not prefix_match:
             commits, prefix_match = self._get_hash_commit_list(
diff --git a/rhodecode/templates/base/base.mako b/rhodecode/templates/base/base.mako
--- a/rhodecode/templates/base/base.mako
+++ b/rhodecode/templates/base/base.mako
@@ -783,6 +783,8 @@
 
    user_group:devops, to search for user groups, always global
 
+   pr:303, to search for pull request number, title, or description, always global
+
    commit:efced4, to search for commits, scoped to repositories or groups
 
    file:models.py, to search for file paths, scoped to repositories or groups
@@ -975,6 +977,10 @@
             else if (searchType === 'user') {
                 icon += '<img class="gravatar" src="{0}"/>'.format(data['icon_link']);
             }
+            // pull request
+            else if (searchType === 'pull_request') {
+                icon += '<i class="icon-merge"></i> ';
+            }
             // commit
             else if (searchType === 'commit') {
                 var repo_data = data['repo_data'];