| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| L. Ivo | Designer | 1956 - 1957 | 3 | |||
| Toshikazu Ito | Designer | 1953 | 1 | |||
| Karl Ingelius | Designer | 1941 | 1 | 1 | ||
| Ramón Ivars | Designer | 1982 | 1 | |||
| Olav Ile | Designer | 1968 | 1 | |||
| Albert Ihde | Director | 1996 | 1 | |||
| Georg Immelmann | Director | 1963 - 1977 | 3 | |||
| Shojun Inaoka | Director | 1984 - 1997 | 5 | |||
| Dimitris Ioannou | Director | 2006 | 1 | |||
| Polly Irvin | Director | 1992 | 3 | 1 | ||
| Tsutomu Imano | Director | 1991 | 1 | |||
| Andreas Ingenhaag | Director | 2010 | 6 | |||
| Rudolf Inemann | Director | 1899 | 1 | |||
| teatrets intendant | Director | 1920 | 1 | |||
| Mihailo Isajlović | Director | 1921 - 1923 | 2 | |||
| Pavel Ivanovski | Director | 1911 - 1926 | 2 | |||
| Jenő Ivánfi | Director | 1914 | 1 | 1 | ||
| Bojko Iliev | Director | 2001 | 1 | |||
| Søren Iversen | Director | 1988 - 1993 | 2 | 1 | ||
| Eric Inman | Director | 2012 | 1 | |||
| Donald W. Ilko | Director | 1986 | 1 | |||
| Rainer Iwersen | Director | 1980 | 1 | |||
| Saburo Izumino | Director | 1966 | 1 | |||
| Cristian Ioan | Director | 2005 | 1 | 1 | ||
| Brian Ingram | Director | 2006 | 1 | |||
| Udoka Ihentuge Chisimdi | Director | 2002 | 1 | |||
| Jean-Claude Idée | Director | 2006 | 2 | |||
| Ernst Immich | Director | 1920 | 1 | |||
| Naoji Iwata | Director | 1958 | 1 | |||
| David B. Itkin | Director | 1932 - 1951 | 6 | |||
| John Izon | Director | 1943 - 1948 | 4 | |||
| Jules Irving | Director | 1971 | 1 | 1 | ||
| Vali Ioniță | Director | 2005 | 1 | |||
| Alan Ingram | Director | 1971 | 1 | |||
| Gottfried Iffland | Director | 1973 | 1 | |||
| Sándor Imre | Director | 1924 - 1927 | 2 | |||
| Joza Ivakić | Director | 1917 | 1 | |||
| Germán Ivancic | Director | 2015 | 1 | |||
| V. Ivanov | Director | 1964 | 1 | |||
| Tancred Ibsen | Director | 1963 | 1 | |||
| Laurence Iseli | Director | 2018 | 2 | |||
| Jérôme Imard | Director | 2015 | 1 | |||