diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-01-25-11-09-56.gh-issue-100762.VuArrB.rst b/Misc/NEWS.d/next/Core and Builtins/2023-01-25-11-09-56.gh-issue-100762.VuArrB.rst
new file mode 100644
index 00000000000000..043b65d1f74a78
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2023-01-25-11-09-56.gh-issue-100762.VuArrB.rst	
@@ -0,0 +1,2 @@
+Avoid expensive ``gen.throw()`` call when closing generators (and
+coroutines) that can be closed trivially.
diff --git a/Objects/genobject.c b/Objects/genobject.c
index b9a0c30c411a00..c964d3924e84a8 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -376,6 +376,13 @@ static PyObject *
 gen_close(PyGenObject *gen, PyObject *args)
 {
     PyObject *retval;
+    if (gen->gi_frame_state == FRAME_CREATED) {
+        gen->gi_frame_state = FRAME_COMPLETED;
+        Py_RETURN_NONE;
+    }
+    if (gen->gi_frame_state >= FRAME_COMPLETED) {
+        Py_RETURN_NONE;
+    }
     PyObject *yf = _PyGen_yf(gen);
     int err = 0;
 
@@ -386,6 +393,11 @@ gen_close(PyGenObject *gen, PyObject *args)
         gen->gi_frame_state = state;
         Py_DECREF(yf);
     }
+    _PyInterpreterFrame *frame = (_PyInterpreterFrame *)gen->gi_iframe;
+    assert(PyBytes_CheckExact(frame->f_code->co_exceptiontable));
+    if (err == 0 && PyBytes_GET_SIZE(frame->f_code->co_exceptiontable) == 0) {
+        Py_RETURN_NONE;
+    }
     if (err == 0)
         PyErr_SetNone(PyExc_GeneratorExit);
     retval = gen_send_ex(gen, Py_None, 1, 1);