| Trakehner Name | Sex | Foaled | Sire | Dam | Color | |
|---|---|---|---|---|---|---|
| Ildy xx | Mare | Unknown | Unknown | |||
| Ileana | Mare | 1994 | Inspekteur | Enjouee xx | dark bay | |
| Ilex | Gelding | 1976 | Carajan I | Ilka IV | chestnut | |
| Ilexandra | Mare | 2003 | Hailo *Pg*E* | Isinglas | black (gray) | |
| Ilexus | Stallion | Unknown | Unknown | |||
| Iliad's Spring xx | Mare | 1992 | Hasty Spring xx | Iliad xx | Unknown | |
| Iliad xx | Mare | 1986 | Christopher R. xx | Road to Shame xx | dark bay | |
| Iliana | Mare | 1991 | Egmont | Ida | gray | |
| I Like Orchids xx | Mare | Tanthem xx | Return The Roses xx | Unknown | ||
| Ilinka | Mare | 1994 | Giorgio Armani | Ixia | brown/black | |
| Ilion | Stallion | 2002 | Rüdiger | Innikki | bay | |
| Ilithyia | Mare | 1982 | Graditz *E* | Ilke | bay | |
| Ilka IV | Mare | 1967 | Pellegrini | Iris | black | |
| Ilke | Mare | 1975 | Ferlino | Ille | gray | |
| Ilkese | Mare | Unknown | Unknown | |||
| Illa | Mare | Seneca | Gritta | |||
| Illace (In The Pink) | Mare | 1987 | Amiego *Ps*E* | Isis | chestnut | |
| Illata | Mare | Unknown | Unknown | |||
| Ille | Mare | Ostwind | Iris IV | |||
| Illianna | F | 2011 | Holster | I Am Isis | bay | |
| Illing | Stallion | Unknown | Unknown | |||
| Illini Lady xx | Mare | Unknown | Unknown | |||
| Illion | Stallion | 1928 | Dampfross | Iringa | chestnut | |
| Illit | Stallion | Unknown | Unknown | |||
| I’ll Show Them xx | Mare | Unknown | Unknown |