| Trakehner Name | Sex | Foaled | Sire | Dam | Color | |
|---|---|---|---|---|---|---|
| Ipanema | Mare | 1986 | Goodwill (Han) | Isaria | bay | |
| I-Pünktchen | Mare | Unknown | Unknown | |||
| Irabella *M* | Mare | 2006 | Hailo *Pg*E* | Inquisative | dark bay | |
| Ira II | Mare | Ilmengrund | Isis II | brown/black | ||
| Iraks | Stallion | 1979 | Boraks | Irish Colleen xx | gray | |
| Irata | Mare | 1941 | Dichterfürst | Ilmenau | chestnut | |
| Ira VI | Mare | 1969 | Hartung | Isar IV | chestnut | |
| Iraway's Aphrodite | Mare | Unknown | Unknown | |||
| Ireland | Mare | 1985 | Insterruf | Isadora | brown | |
| Ireland's Vida | Mare | 2002 | Riverman (HOL) | Ireland | bay (gray) | |
| Ireland xx | Stallion | Unknown | Unknown | |||
| Irena | Mare | Unknown | Unknown | |||
| Irene | Mare | 1953 | Humboldt | Ideale | bay | |
| Irene Staunton xx | Mare | 1950 | Brown King xx | Dev-Co xx | Unknown | |
| Irene VI | Mare | 1984 | Mahagoni | Ironie V | gray | |
| Irepeat xx | Stallion | Unknown | Unknown | |||
| Irial | Stallion | 2002 | Donaufürst *Ps*E* | Isleta | chestnut (gray) | |
| Irian | Stallion | Unknown | Unknown | |||
| Iribelle xx | Mare | Unknown | Unknown | |||
| Irico's Twinkle | Gelding | 2003 | Enrico Caruso *Ps*E* | Inge | dark bay | |
| Irina BF | Mare | 2000 | Favian *Pb* | Infiniti | bay | |
| Irina vom Castell | Mare | 1987 | Avignon II | Inflana | dark brown | |
| Iringa | Mare | 1912 | Red Prince II xx | Ich | chestnut | |
| Iriosa | Mare | Unknown | Unknown | |||
| Iris | Mare | 1957 | Impuls | Irka xx (Anh) | dark bay |