diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -775,6 +775,7 @@
     'DiffusionRepositoryStagingManagementPanel' => 'applications/diffusion/management/DiffusionRepositoryStagingManagementPanel.php',
     'DiffusionRepositoryStatusManagementPanel' => 'applications/diffusion/management/DiffusionRepositoryStatusManagementPanel.php',
     'DiffusionRepositoryStorageManagementPanel' => 'applications/diffusion/management/DiffusionRepositoryStorageManagementPanel.php',
+    'DiffusionRepositorySubversionManagementPanel' => 'applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php',
     'DiffusionRepositorySymbolsManagementPanel' => 'applications/diffusion/management/DiffusionRepositorySymbolsManagementPanel.php',
     'DiffusionRepositoryTag' => 'applications/diffusion/data/DiffusionRepositoryTag.php',
     'DiffusionRepositoryTestAutomationController' => 'applications/diffusion/controller/DiffusionRepositoryTestAutomationController.php',
@@ -4995,6 +4996,7 @@
     'DiffusionRepositoryStagingManagementPanel' => 'DiffusionRepositoryManagementPanel',
     'DiffusionRepositoryStatusManagementPanel' => 'DiffusionRepositoryManagementPanel',
     'DiffusionRepositoryStorageManagementPanel' => 'DiffusionRepositoryManagementPanel',
+    'DiffusionRepositorySubversionManagementPanel' => 'DiffusionRepositoryManagementPanel',
     'DiffusionRepositorySymbolsManagementPanel' => 'DiffusionRepositoryManagementPanel',
     'DiffusionRepositoryTag' => 'Phobject',
     'DiffusionRepositoryTestAutomationController' => 'DiffusionRepositoryManageController',
diff --git a/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php b/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
--- a/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
+++ b/src/applications/diffusion/editor/DiffusionRepositoryEditEngine.php
@@ -226,6 +226,11 @@
       "IMPORTANT: This feature is new, experimental, and not supported. ".
       "Use it at your own risk.");
 
+    $subpath_instructions = pht(
+      'If you want to import only part of a repository, like `trunk/`, '.
+      'you can set a path in **Import Only**. Phabricator will ignore '.
+      'commits which do not affect this path.');
+
     return array(
       id(new PhabricatorSelectEditField())
         ->setKey('vcs')
@@ -339,6 +344,17 @@
         ->setConduitTypeDescription(pht('New default tracked branchs.'))
         ->setValue($autoclose_value),
       id(new PhabricatorTextEditField())
+        ->setKey('importOnly')
+        ->setLabel(pht('Import Only'))
+        ->setTransactionType(
+          PhabricatorRepositoryTransaction::TYPE_SVN_SUBPATH)
+        ->setIsCopyable(true)
+        ->setDescription(pht('Subpath to selectively import.'))
+        ->setConduitDescription(pht('Set the subpath to import.'))
+        ->setConduitTypeDescription(pht('New subpath to import.'))
+        ->setValue($object->getDetail('svn-subpath'))
+        ->setControlInstructions($subpath_instructions),
+      id(new PhabricatorTextEditField())
         ->setKey('stagingAreaURI')
         ->setLabel(pht('Staging Area URI'))
         ->setTransactionType(
diff --git a/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php b/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php
new file mode 100644
--- /dev/null
+++ b/src/applications/diffusion/management/DiffusionRepositorySubversionManagementPanel.php
@@ -0,0 +1,77 @@
+<?php
+
+final class DiffusionRepositorySubversionManagementPanel
+  extends DiffusionRepositoryManagementPanel {
+
+  const PANELKEY = 'subversion';
+
+  public function getManagementPanelLabel() {
+    return pht('Subversion');
+  }
+
+  public function getManagementPanelOrder() {
+    return 1000;
+  }
+
+  public function shouldEnableForRepository(
+    PhabricatorRepository $repository) {
+    return $repository->isSVN();
+  }
+
+  public function getManagementPanelIcon() {
+    $repository = $this->getRepository();
+
+    $has_any = (bool)$repository->getDetail('svn-subpath');
+
+    if ($has_any) {
+      return 'fa-database';
+    } else {
+      return 'fa-database grey';
+    }
+  }
+
+  protected function getEditEngineFieldKeys() {
+    return array(
+      'importOnly',
+    );
+  }
+
+  protected function buildManagementPanelActions() {
+    $repository = $this->getRepository();
+    $viewer = $this->getViewer();
+
+    $can_edit = PhabricatorPolicyFilter::hasCapability(
+      $viewer,
+      $repository,
+      PhabricatorPolicyCapability::CAN_EDIT);
+
+    $subversion_uri = $this->getEditPageURI();
+
+    return array(
+      id(new PhabricatorActionView())
+        ->setIcon('fa-pencil')
+        ->setName(pht('Edit Properties'))
+        ->setHref($subversion_uri)
+        ->setDisabled(!$can_edit)
+        ->setWorkflow(!$can_edit),
+    );
+  }
+
+  public function buildManagementPanelContent() {
+    $repository = $this->getRepository();
+    $viewer = $this->getViewer();
+
+    $view = id(new PHUIPropertyListView())
+      ->setViewer($viewer)
+      ->setActionList($this->newActions());
+
+    $default_branch = nonempty(
+      $repository->getHumanReadableDetail('svn-subpath'),
+      phutil_tag('em', array(), pht('Import Entire Repository')));
+    $view->addProperty(pht('Import Only'), $default_branch);
+
+
+    return $this->newBox(pht('Subversion'), $view);
+  }
+
+}