Mary Teresa Fortuna is an American theatre actress. She has appeared as Lucile in The Rehearsal (Round House Theatre); Madonna in Mistiblu (Teatro de la Luna); Juana in The Pearl (Kennedy Center); and Little Nun in The House of Blue Leaves, Haley Stray in Quills, and Madeleine Leclerc in The Pitchfork Disney (Wooly Mammoth Theatre).