Mompha sexstrigella is a moth in the family Momphidae.

It is also found in the Asian part of Russia, where it is known from the Altai mountains, southern Siberia and Sakhalin.

In North America, it is found in Canada and the western United States.

There is one generation per year with adults on wing from the second half of June to the middle of August.

This article on a moth of the family Momphidae is a stub.