O
- New Conservatory Theatre Center (San Francisco, California)
- New Dramatists (New York)
- New Federal Theatre, Inc (New York)
- New Georges (New York)
- New Ground Theatre (Davenport, Iowa)
- The New Harmony Theatre (Evansville, Indiana)
- New Jersey Repertory Company (Long Branch, New Jersey)
- New Paradise Laboratories (Philadelphia, Pennsylvania)
- New Professional Theatre (New York)
- New Repertory Theatre (Watertown, Massachusetts)
- New Stage Theatre (Jackson, Mississippi)
- New Theatre (Coral Gables, Florida)
- New World Theater (Amherst, Massachusetts)
- New York State Theatre (Troy, New York)
- New York Theatre Workshop (New York)
- Next Act Theatre (Milwaukee, Wisconsin)
- The Next Theatre Company (Evanston, Illinois)
- A Noise Within (Glendale, California)
- North Carolina Stage Company (Asheville, North Carolina)
- North Coast Repertory (Solana Beach, California)
- North Star Theatre (Mandeville, Louisiana)
- Northern Stage (White River Junction, Vermont)
- Northlight Theatre (Skokie, Illinois)
- Northwest Children's Theater And School (Portland, Oregon)
- Northwest Classical Theatre Company (Portland, Oregon)
- Odyssey Theatre Ensemble (Los Angeles, California)
- The Old Globe (San Diego, California)
- Olney Theatre Center (Olney, Maryland)
- Omaha Theater Company For Young People (Omaha, Nebraska)
- Ontological-Hysteric Theater (New York)
- The Open Eye Theater (Margaretville, New York)
- Open Stage Of Harrisburg (Harrisburg, Pennsylvania)
- OpenStage Theatre and Company (Fort Collins, Colorado)
- Oregon Children's Theatre (Portland, Oregon)
- Oregon Shakespeare Festival (Ashland, Oregon)
- Orlando Shakespeare Theater (Orlando, Florida)
- Out Of Hand Theater (Atlanta, Georgia)
Read more about this topic: List Of Theatre Communications Group Member Theatres, N