diff --git a/include/CLI/impl/App_inl.hpp b/include/CLI/impl/App_inl.hpp
index 16694fd3..4d8b9445 100644
--- a/include/CLI/impl/App_inl.hpp
+++ b/include/CLI/impl/App_inl.hpp
@@ -433,6 +433,15 @@ CLI11_NODISCARD CLI11_INLINE CLI::App_p App::get_subcommand_ptr(int index) const
     throw OptionNotFound(std::to_string(index));
 }
 
+CLI11_NODISCARD CLI11_INLINE CLI::App *App::get_option_group(std::string group_name) const {
+    for(const App_p &app : subcommands_) {
+        if(app->name_.empty() && app->group_ == group_name) {
+            return app.get();
+        }
+    }
+    throw OptionNotFound(group_name);
+}
+
 CLI11_NODISCARD CLI11_INLINE std::size_t App::count_all() const {
     std::size_t cnt{0};
     for(const auto &opt : options_) {
diff --git a/tests/OptionGroupTest.cpp b/tests/OptionGroupTest.cpp
index bc3a9455..8c5dc38d 100644
--- a/tests/OptionGroupTest.cpp
+++ b/tests/OptionGroupTest.cpp
@@ -448,6 +448,12 @@ TEST_CASE_METHOD(ManyGroups, "SingleGroup", "[optiongroup]") {
     CHECK_THROWS_AS(run(), CLI::RequiredError);
 }
 
+TEST_CASE_METHOD(ManyGroups, "getGroup", "[optiongroup]") {
+    auto *mn = app.get_option_group("main");
+    CHECK(mn == main);
+    CHECK_THROWS_AS(app.get_option_group("notfound"), CLI::OptionNotFound);
+}
+
 TEST_CASE_METHOD(ManyGroups, "ExcludesGroup", "[optiongroup]") {
     // only 1 group can be used
     g1->excludes(g2);