| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Rolf Irmer | Lighting Designer | 2011 | 1 | |||
| L. Ibochouba | Lighting Designer | 2012 | 1 | |||
| Lucas P. Ingram | Lighting Designer | 2016 | 1 | |||
| Gerald Isenthal | Lighting Designer | 1956 | 1 | |||
| Marek Idzikowski | Lighting Designer | 2016 | 1 | |||
| Iiro Iljama | Lighting Designer | 2005 | 1 | |||
| Phillip Isaksen | Lighting Designer | 2018 - 2020 | 3 | |||
| Izumi Inaba | Lighting Designer | 2019 | 1 | |||
| Tove Ingebrigtsen | Mask Maker | 1996 - 2004 | 2 | |||
| Jean Intercoiffeur | Mask Maker | 1997 | 1 | |||
| Giovanni Indelicato | Mask Maker | 1997 | 1 | |||
| Lucian Ionescu | Musical Director | 1955 - 1966 | 3 | |||
| Einar Iversen | Musical Director | 1974 | 10 | |||
| Emilija Ivanovska | Musical Director | 2001 | 1 | |||
| Dimitris Iatropoulos | Musical Director, Sound Designer | 1994 - 1999 | 3 | |||
| Lars Igesund | Musician | 2006 - 2008 | 2 | |||
| Terje Isungset | Musician | 2009 - 2010 | 2 | |||
| Odum Ikechukwu | Musician | 2002 | 1 | |||
| Opara Ikechukwu | Musician | 2002 | 1 | |||
| Tamer Isam | Musician | 2013 | 10 | |||
| Dick Ihnatowicz | Musician | 1970 | 1 | |||
| Bjørn Ianke | Musician | 1990 | 1 | |||
| Nora Ibsen | Producer | 2006 | 1 | |||
| Beena Inamdar | Producer | 2005 | 1 | |||
| Guy Israeli | Producer | 2020 | 1 | |||
| Shigeaki Iba | Sound Designer | 2000 - 2007 | 2 | |||
| Jan-Emil Indergaard | Sound Designer | 2006 - 2007 | 2 | |||
| Tamotsu Ishigami | Sound Designer | 1994 | 1 | |||
| Naoyuki Iwata | Sound Designer | 2002 | 1 | |||
| Mike Ingraham | Sound Designer | 2008 | 1 | |||
| G. V. Izotov | Sound Designer | 2008 | 1 | |||
| Christina Istrate | Sound Designer | 2009 | 1 | |||
| Hiroshi Ide | Sound Designer | 2009 - 2012 | 2 | |||
| - Ish-S | Sound Designer | 2009 | 1 | |||
| Gunnar Innvær | Sound Designer | 2016 - 2018 | 23 | |||
| Konosuke Imafuku | Sound Designer | 1950 | 1 | |||
| Richard Ingraham | Sound Designer | 2017 | 1 | |||
| Sigurd Ibsen | Translator | 1893 - 2011 | 39 | 1 | ||
| Marilyn Ichasso | Translator | 1976 | 1 | |||
| Janko Ibler | Translator | 1896 - 1897 | 2 | |||
| Simone Inzko | Translator | 2002 | 2 | |||
| Aro Ito | Translator | 1964 | 1 | |||