Writers - Play/Screenwriting - O-Z
- Rosary O'Neill
- Beau O'Reilly
- Rich Orloff
- Femi Osofisan
- Jamie Pachino
- Silvia Pelaez
- Howard Pflanzer
- John Ragir
- Barbara Roos
- Ola Rotimi
- Sarah Ruhl
- Bernard Sabath
- Francine Sanders
- Scott Sandoe
- Leonard Schiff
- Roell Schmidt
- Shellie Sclan
- Sandra Seaton
- Nancy Shelton
- James Sherman
- Marina Shron
- Alison Smith
- Gretchen Somerfeld
- Mary Lou Spartz
- Martha Sweezy
- Christopher Swider
- Dominic Taylor
- Hale Thatcher
- Edward Thomas-Herrera
- Craig Thornton
- Marisol Torres
- Michael Vitali
- John Wade
- Paul Wagner
- Elizabeth Ward
- Katie Watson
- Lisa Weissman
- Sharon Wortman
