| Peer Gynt, 20031129 | Peer Gynt | 20031129 | 29th November 2003 | Opéra de Rouen | Opéra de Rouen | France | |
| Pillars of Society, 19100926 | Pillars of Society | 19100926 | 26th September 1910 | Opera House | Opera House | United States | |
| Peer Gynt, 19081204 | Peer Gynt | 19081204 | 4th December 1908 | Opera House | Opera House | United States | |
| Peer Gynt, 20220604 | Peer Gynt | 20220604 | 4th June 2022 | Opéra National de Lyon | Opéra National de Lyon | France | |
| Peer Gynt, 20070509 | Peer Gynt | 20070509 | 9th May 2007 | Opera Națională București | Opera Națională București | Romania | |
| Peer Gynt, 20180112 | Peer Gynt | 20180112 | 12th January 2018 | Opéra Orchestre national Montpellier Occitanie | Opéra Orchestre national Montpellier Occitanie | France | |
| Peer Gynt, 20170509 | Peer Gynt | 20170509 | 9th May 2017 | Opéra-Théâtre de Limoges | Opéra-Théâtre de Limoges | France | |
| Peer, du lyver!, 20150421 | Peer, du lyver! | 20150421 | 21st April 2015 | Operahuset Nordfjord | Operahuset Nordfjord | Norway | |
| Peer Gynt, 20070307 | Peer Gynt | 20070307 | 7th March 2007 | OPERATTEN im STATTtheater | OPERATTEN im STATTtheater | Switzerland | |
| Peer Gynt, 19200621 | Peer Gynt | 19200621 | 21st June 1920 | Opern- und Schauspielhaus Hannover | Opern- und Schauspielhaus Hannover | Germany | |
| Peer Gynt, 19240911 | Peer Gynt | 19240911 | 11th September 1924 | Opern- und Schauspielhaus Hannover | Opern- und Schauspielhaus Hannover | Germany | |
| Peer Gynt. Oper von Werner Egk., 19401130 | Peer Gynt. Oper von Werner Egk. | 19401130 | 30th November 1940 | Opernhaus | Opernhaus | Germany | |
| Peer Gynt - Oper in drei Akten (9 Bildern) nach Henrik Ibsen von Werner Egk, 19420419 | Peer Gynt - Oper in drei Akten (9 Bildern) nach Henrik Ibsen von Werner Egk | 19420419 | 19th April 1942 | Opernhaus | Opernhaus | Germany | |
| Peer Gynt. An Opera by Werner Egk, 19810607 | Peer Gynt. An Opera by Werner Egk | 19810607 | 7th June 1981 | Opernhaus Chemnitz | Opernhaus Chemnitz | Germany | |
| Peer Gynt. Ballett in vier Bildern mit einem Prolog und Epilog nach Motiven von Henrik Ibsen, 19910301 | Peer Gynt. Ballett in vier Bildern mit einem Prolog und Epilog nach Motiven von Henrik Ibsen | 19910301 | 1st March 1991 | Opernhaus Chemnitz | Opernhaus Chemnitz | Germany | |
| Peer Gynt, 19561128 | Peer Gynt | 19561128 | 28th November 1956 | Opernhaus Hannover | Opernhaus Hannover | Germany | |
| Peer, du lyver!, 20150225 | Peer, du lyver! | 20150225 | 25th February 2015 | Oppdal Kulturhus | Oppdal Kulturhus | Norway | |
| Peer Gynt, 19300515 | Peer Gynt | 19300515 | 15th May 1930 | Oradea | Oradea | Romania | |
| Peer Gynt, 19360822 | Peer Gynt | 19360822 | 22nd August 1936 | Oradea | Oradea | Romania | |
| Peer Gynt, 20121112 | Peer Gynt | 20121112 | 12th November 2012 | Oradea | Oradea | Romania | |
| Peer Gynt, 19960711 | Peer Gynt | 19960711 | 11th July 1996 | Oravais Teater | Oravais Teater | Finland | |
| Peer Gynt (concert adaptation), 20051018 | Peer Gynt (concert adaptation) | 20051018 | 18th October 2005 | Ordway Center for the Performing Arts (Main Hall) | Ordway Center for the Performing Arts (Main Hall) | United States | |
| Peer Gynt, 19700214 | Peer Gynt | 19700214 | 14th February 1970 | Orkanger | Orkanger | Norway | |
| Peer Gynt, 19700213 | Peer Gynt | 19700213 | 13th February 1970 | Orkanger gymnas | Orkanger gymnas | Norway | |
| Peer, du lyver!, 20150410 | Peer, du lyver! | 20150410 | 10th April 2015 | Orkdal Kulturhus | Orkdal Kulturhus | Norway | |
| Peer Gynt, 20201029 | Peer Gynt | 20201029 | 29th October 2020 | Orkdal Kulturhus | Orkdal Kulturhus | Norway | |
| Prividenija, 1964 | Prividenija | 1964 | 1964 | Orlovskii dramatičeskii teatr imeni I. Turgeneva | Orlovskii dramatičeskii teatr imeni I. Turgeneva | Russia | |
| Peer Gynt, 20200913 | Peer Gynt | 20200913 | 13th September 2020 | Oseana Kunst & Kultursenter | Oseana Kunst & Kultursenter | Norway | |
| Peer Gynt, 199205 | Peer Gynt | 199205 | May
1992 | Oslo | Oslo | Norway | |
| Peer Gynt, 19260912 | Peer Gynt | 19260912 | 12th September 1926 | Oslo | Oslo | Norway | |
| Peer Gynt - World Citizen by nature / Peer Gynt - Verdensborger av gemytt, 20080416 | Peer Gynt - World Citizen by nature / Peer Gynt - Verdensborger av gemytt | 20080416 | 16th April 2008 | Oslo Konserthus | Oslo Konserthus | Norway | |
| Peer Gynt - World Citizen by nature / Peer Gynt - Verdensborger av gemytt, 20060824 | Peer Gynt - World Citizen by nature / Peer Gynt - Verdensborger av gemytt | 20060824 | 24th August 2006 | Oslo Nye Teater (Centralteatret) | Oslo Nye Teater (Centralteatret) | Norway | |
| Peer Gynt - en vandreforestilling, 20090917 | Peer Gynt - en vandreforestilling | 20090917 | 17th September 2009 | Oslo Nye Teater (Centralteatret) | Oslo Nye Teater (Centralteatret) | Norway | 6 |
| Peer, du lyver!, 20150224 | Peer, du lyver! | 20150224 | 24th February 2015 | Otta kulturhus | Otta kulturhus | Norway | |
| Peer Gynt, 19781127 | Peer Gynt | 19781127 | 27th November 1978 | Otta Samfunnshus | Otta Samfunnshus | Norway | |
| Peer Gynt, 19841207 | Peer Gynt | 19841207 | 7th December 1984 | Otta Samfunnshus | Otta Samfunnshus | Norway | |
| Peer Gynt, 19451220 | Peer Gynt | 19451220 | 20th December 1945 | Ottawa Little Theatre Group | Ottawa Little Theatre Group | Canada | |
| Peer Gynt, 19801007 | Peer Gynt | 19801007 | 7th October 1980 | Oxford Playhouse | Oxford Playhouse | England | |
| Peer Gynt, 19691210 | Peer Gynt | 19691210 | 10th December 1969 | Oxford Playhouse | Oxford Playhouse | England | |
| Peer Gynt, 20020508 | Peer Gynt | 20020508 | 8th May 2002 | Oxford Playhouse | Oxford Playhouse | England | |
| Peer Gynt, 19581027 | Peer Gynt | 19581027 | 27th October 1958 | Oxford Playhouse | Oxford Playhouse | England | |
| Peer Gynt, 20200508 | Peer Gynt | 20200508 | 8th May 2020 | Oxfordshire | Oxfordshire | England | 1 |
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