Books about Comedies (sorted alphabetically)
- O'Flaherty V.C.: A Recruiting Pamphlet Bernard Shaw
- Oh! Susannah! Mark Ambient
- Old Bachelor: A Comedy William Congreve
- Olympia : Vígjáték három felvonásban (Hungarian) Ferenc Molnár
- Omantunnon mato: 3-näytöksinen (4 kuvaelmaa) kansannäytelmä lauluineen (Finnish) Ludwig Anzengruber
- Oppineita naisia: Viisinäytöksinen huvinäytelmä (Finnish) Molière
- Our American Cousin Tom Taylor
- Paljo melua tyhjästä (Finnish) William Shakespeare
- Parasit, oder, die Kunst sein Glück zu machen (German) Friedrich Schiller and L.-B. Picard
- Parlor Car William Dean Howells
- Peace Aristophanes
- Peines d'amour perdues (French) William Shakespeare
- Pietar Patelin eli Sukkela asianajaja: Ilveilys kolmessa näytöksessä (Finnish) Anonymous
- Pirates: A comedy in one act Colin Clements
- Plays, written by Sir John Vanbrugh, volume the first John Vanbrugh
- Plays, written by Sir John Vanbrugh, volume the second John Vanbrugh
- Please pass the cream: A comedy Charles Nevers Holmes
- Poetaster Ben Jonson
- Poison: A Farce George M. Baker
- Pot Boiler: A Comedy in Four Acts Upton Sinclair
- Précieuses ridicules (French) Molière
- Proposal Under Difficulties: A Farce John Kendrick Bangs
- Prude's Progress: A Comedy in Three Acts Jerome K. Jerome and Eden Phillpotts
- Pupille (French) Fagan
- Pygmalion Bernard Shaw