Madame Fred Boulin, the rather spikey patronne, also runs the beauty parlour next door.
From the economist.com
The hotel patronne, Mademoiselle Dupont, gives Pa and Ma her room.
From the en.wikipedia.org
Patronne Nantiya Tulyanond can't resist cozy touches such as daily homemade cakes and nightly pillow presents.
From the time.com
Mme. Bonnard, whose chatty recollections make up most of the novel, is the quizzical young patronne of a marginally respectable pension just after World War II in Switzerland.
From the time.com
More examples
Patroness: a woman who is a patron or the wife of a patron