diff --git a/lldb/bindings/interface/SBTarget.i b/lldb/bindings/interface/SBTarget.i
--- a/lldb/bindings/interface/SBTarget.i
+++ b/lldb/bindings/interface/SBTarget.i
@@ -96,6 +96,9 @@
     lldb::SBProcess
     GetProcess ();
 
+    uint32_t
+    GetIndexInDebugger () const;
+
 
     %feature("docstring", "
     Return the platform object associated with the target.
diff --git a/lldb/include/lldb/API/SBTarget.h b/lldb/include/lldb/API/SBTarget.h
--- a/lldb/include/lldb/API/SBTarget.h
+++ b/lldb/include/lldb/API/SBTarget.h
@@ -66,6 +66,8 @@
 
   lldb::SBProcess GetProcess();
 
+  uint32_t GetIndexInDebugger() const;
+
   /// Sets whether we should collect statistics on lldb or not.
   ///
   /// \param[in] v
diff --git a/lldb/source/API/SBTarget.cpp b/lldb/source/API/SBTarget.cpp
--- a/lldb/source/API/SBTarget.cpp
+++ b/lldb/source/API/SBTarget.cpp
@@ -183,6 +183,19 @@
   return LLDB_RECORD_RESULT(sb_process);
 }
 
+uint32_t SBTarget::GetIndexInDebugger() const {
+  LLDB_RECORD_METHOD_CONST_NO_ARGS(uint32_t, SBTarget, GetIndexInDebugger);
+
+  SBDebugger dbg = GetDebugger();
+
+  for (uint32_t i = 0; i < dbg.GetNumTargets(); i++) {
+    if (dbg.GetTargetAtIndex(i) == *this)
+      return i;
+  }
+
+  return UINT32_MAX;
+}
+
 SBPlatform SBTarget::GetPlatform() {
   LLDB_RECORD_METHOD_NO_ARGS(lldb::SBPlatform, SBTarget, GetPlatform);
 
@@ -2510,6 +2523,7 @@
   LLDB_REGISTER_METHOD_CONST(bool, SBTarget, IsValid, ());
   LLDB_REGISTER_METHOD_CONST(bool, SBTarget, operator bool, ());
   LLDB_REGISTER_METHOD(lldb::SBProcess, SBTarget, GetProcess, ());
+  LLDB_REGISTER_METHOD_CONST(uint32_t, SBTarget, GetIndexInDebugger, ());
   LLDB_REGISTER_METHOD(lldb::SBPlatform, SBTarget, GetPlatform, ());
   LLDB_REGISTER_METHOD_CONST(lldb::SBDebugger, SBTarget, GetDebugger, ());
   LLDB_REGISTER_METHOD(lldb::SBStructuredData, SBTarget, GetStatistics, ());
diff --git a/lldb/test/API/python_api/target/TestTargetAPI.py b/lldb/test/API/python_api/target/TestTargetAPI.py
--- a/lldb/test/API/python_api/target/TestTargetAPI.py
+++ b/lldb/test/API/python_api/target/TestTargetAPI.py
@@ -497,3 +497,15 @@
             module = target.GetModuleAtIndex(i)
             self.assertTrue(target.IsLoaded(module), "Running the target should "
                             "have loaded its modules.")
+
+    def test_get_index_in_debugger(self):
+        """Exercise SBTarget.GetIndexInDebugger() API."""
+        self.build()
+        target = self.create_simple_target('a.out')
+
+        self.assertEqual(target.GetIndexInDebugger(), 0)
+        process = target.GetProcess()
+        self.assertNotEqual(process.GetTarget().GetIndexInDebugger(), 0)
+        process = target.LaunchSimple(None, None,
+                                      self.get_process_working_directory())
+        self.assertEqual(process.GetTarget().GetIndexInDebugger(), 0)