| Name | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Ko ina | ||||||
| Iver Innset | ||||||
| Lina Ikse | 4 | |||||
| Thodoros Ignatiadis | ||||||
| Henrik Ibsen | Actor, Author, Director, Musical Director, Musician, Playwright, Producer, Translator | 1850 – 2021 | 5313462 | 217 | ||
| Andreas Isachsen | Actor | 1853 – 1891 | 110 | 2 | ||
| Janny Isachsen | Actor | 1857 | 1 | 1 | ||
| Justine Iversen | Actor | 1861 | 1 | |||
| Magda Irschick | Actor | 1876 | 3 | |||
| Oscar Iversen | Actor | 1876 – 1900 | 2 | |||
| Frk. Ihle | Actor | 1878 – 1879 | 1 | |||
| Frl. Isoard | Actor | 1879 | 1 | |||
| Fanny Ingberg | Actor | 1882 | 1 | |||
| Belle Inman | Actor | 1883 | 1 | |||
| M. W. Ingman (M. W. Ingman) | Actor | 1883 | 1 | |||
| Marie Immisch | Actor | 1887 | 9 | |||
| Mr. Isert | Actor | 1888 | 2 | |||
| Mr. Isleiber | Actor | 1888 | 2 | |||
| Annie Irish | Actor | 1889 | 1 | |||
| Arnold Ising Jr. | Actor, Translator | 1889 | 2 | |||
| - Ille | Actor | 1889 | 1 | |||
| Michael Isailovits | Actor | 1890 | 4 | |||
| Jenő Ivánfy | Actor | 1890 | 3 | |||
| Frances Ivor | Actor | 1892 – 1895 | 6 | |||
| Julius Irwin | Actor | 1893 | 10 | |||
| Meta Illing | Actor | 1893 – 1899 | 2 | |||
| Sigurd Ibsen | Translator | 1893 – 2011 | 39 | 1 | ||
| Mari Irgens-Hansen | Actor | 1894 | 7 | |||
| Bianca Iggius | Actor | 1894 | 6 | |||
| C. Ionescu | Actor | 1894 | 3 | |||
| Schiff I | Actor | 1894 – 1895 | 1 | |||
| Schiff II | Actor | 1894 – 1895 | 1 | |||
| Laurence Irving | Actor, Costume Designer, Designer | 1894 – 1956 | 8 | |||
| Joseph Idali | Actor | 1895 – 1898 | 2 | |||
| - Isaac | Actor | 1896 | 1 | |||
| Janko Ibler | Translator | 1896 | 2 | |||
| Else Israel | Actor | 1896 – 1897 | 3 | |||
| Anna Iversen | Actor | 1896 – 1897 | 3 | |||
| William Iversen | Actor | 1896 – 1897 | 3 | |||
| Matej Ikonomov | Actor, Director | 1898 | 8 | |||
| Garda Irmen | Actor | 1898 | 3 | |||
| Rudolf Inemann | Director | 1899 | 1 | |||