Index: lldb/include/lldb/DataFormatters/FormattersContainer.h
===================================================================
--- lldb/include/lldb/DataFormatters/FormattersContainer.h
+++ lldb/include/lldb/DataFormatters/FormattersContainer.h
@@ -212,6 +212,10 @@
 
   void ForEach(ForEachCallback callback) { m_format_map.ForEach(callback); }
 
+  void AutoComplete(CompletionRequest &request) {
+    AutoComplete(request, EmptyStruct<KeyType>());
+  }
+
   uint32_t GetCount() { return m_format_map.GetCount(); }
 
 protected:
@@ -319,6 +323,34 @@
     }
     return false;
   }
+
+private:
+  // The struct below is used to provide specialized AutoComplete functions with
+  // overloading.
+  template <typename _Ty> struct EmptyStruct {};
+
+  template <typename _Ty>
+  void AutoComplete(CompletionRequest &request, const EmptyStruct<_Ty> &) {}
+
+  void AutoComplete(CompletionRequest &request,
+                    const EmptyStruct<ConstString> &) {
+    m_format_map.ForEach(
+        [&request](const ConstString &key,
+                   const typename ValueType::SharedPointer &value) {
+          request.TryCompleteCurrentArg(key.GetStringRef());
+          return true;
+        });
+  }
+
+  void AutoComplete(CompletionRequest &request,
+                    const EmptyStruct<RegularExpression> &) {
+    m_format_map.ForEach(
+        [&request](const RegularExpression &key,
+                   const typename ValueType::SharedPointer &value) {
+          request.TryCompleteCurrentArg(key.GetText());
+          return true;
+        });
+  }
 };
 
 } // namespace lldb_private
Index: lldb/source/Commands/CommandObjectType.cpp
===================================================================
--- lldb/source/Commands/CommandObjectType.cpp
+++ lldb/source/Commands/CommandObjectType.cpp
@@ -777,6 +777,47 @@
 
   ~CommandObjectTypeFormatterDelete() override = default;
 
+  void
+  HandleArgumentCompletion(CompletionRequest &request,
+                           OptionElementVector &opt_element_vector) override {
+    if (request.GetCursorIndex())
+      return;
+
+    DataVisualization::Categories::ForEach(
+        [this, &request](const lldb::TypeCategoryImplSP &category_sp) {
+          if ((m_formatter_kind_mask & eFormatCategoryItemValue) ==
+              eFormatCategoryItemValue)
+            category_sp->GetTypeFormatsContainer()->AutoComplete(request);
+          if ((m_formatter_kind_mask & eFormatCategoryItemRegexValue) ==
+              eFormatCategoryItemRegexValue)
+            category_sp->GetRegexTypeFormatsContainer()->AutoComplete(request);
+
+          if ((m_formatter_kind_mask & eFormatCategoryItemSummary) ==
+              eFormatCategoryItemSummary)
+            category_sp->GetTypeSummariesContainer()->AutoComplete(request);
+          if ((m_formatter_kind_mask & eFormatCategoryItemRegexSummary) ==
+              eFormatCategoryItemRegexSummary)
+            category_sp->GetRegexTypeSummariesContainer()->AutoComplete(
+                request);
+
+          if ((m_formatter_kind_mask & eFormatCategoryItemFilter) ==
+              eFormatCategoryItemFilter)
+            category_sp->GetTypeFiltersContainer()->AutoComplete(request);
+          if ((m_formatter_kind_mask & eFormatCategoryItemRegexFilter) ==
+              eFormatCategoryItemRegexFilter)
+            category_sp->GetRegexTypeFiltersContainer()->AutoComplete(request);
+
+          if ((m_formatter_kind_mask & eFormatCategoryItemSynth) ==
+              eFormatCategoryItemSynth)
+            category_sp->GetTypeSyntheticsContainer()->AutoComplete(request);
+          if ((m_formatter_kind_mask & eFormatCategoryItemRegexSynth) ==
+              eFormatCategoryItemRegexSynth)
+            category_sp->GetRegexTypeSyntheticsContainer()->AutoComplete(
+                request);
+          return true;
+        });
+  }
+
 protected:
   virtual bool FormatterSpecificDeletion(ConstString typeCS) { return false; }
 
Index: lldb/test/API/functionalities/completion/TestCompletion.py
===================================================================
--- lldb/test/API/functionalities/completion/TestCompletion.py
+++ lldb/test/API/functionalities/completion/TestCompletion.py
@@ -437,6 +437,27 @@
         # (anonymous namespace)::Quux().
         self.complete_from_to('breakpoint set -n Qu', '')
 
+    def test_completion_type_formatter_delete(self):
+        self.runCmd('type filter add --child a Aoo')
+        self.complete_from_to('type filter delete ', ['Aoo'])
+        self.runCmd('type filter add --child b -x Boo')
+        self.complete_from_to('type filter delete ', ['Boo'])
+
+        self.runCmd('type format add -f hex Coo')
+        self.complete_from_to('type format delete ', ['Coo'])
+        self.runCmd('type format add -f hex -x Doo')
+        self.complete_from_to('type format delete ', ['Doo'])
+
+        self.runCmd('type summary add -c Eoo')
+        self.complete_from_to('type summary delete ', ['Eoo'])
+        self.runCmd('type summary add -x -c Foo')
+        self.complete_from_to('type summary delete ', ['Foo'])
+
+        self.runCmd('type synthetic add Goo -l test')
+        self.complete_from_to('type synthetic delete ', ['Goo'])
+        self.runCmd('type synthetic add -x Hoo -l test')
+        self.complete_from_to('type synthetic delete ', ['Hoo'])
+
     @skipIf(archs=no_match(['x86_64']))
     def test_register_read_and_write_on_x86(self):
         """Test the completion of the commands register read and write on x86"""