| Trakehner Name | Sex | Foaled | Sire | Dam | Color | |
|---|---|---|---|---|---|---|
| Harmony GS | Mare | 1999 | Adrian | Hilary GS | gray | |
| Harnisch | Stallion | 1963 | Handelsherr | Harmonie II | dark bay | |
| Harold J. xx | Stallion | Unknown | Unknown | |||
| Harold's Bonnie xx | Mare | 1972 | Harold J. xx | Bonnie Hank xx | Unknown | |
| Ha Rosharra ox | Mare | Unknown | Unknown | |||
| Harper | Gelding | 1987 | Mahon *E* | Helena *E* | chestnut | |
| Harper Lee | Mare | 2010 | Hennessey | Liberté | bay | |
| Harpsichord | Gelding | 1990 | Martini *Pg*E* | Henna | bay | |
| Harpsichord xx | Mare | 1918 | Louvois xx | Golden Harp xx | dark bay | |
| Harpune | Stallion | 1996 | Amethyst | Havanna | bay | |
| Harpune II | Mare | Grimsel | Harda | chestnut | ||
| Harrah | Mare | 1983 | Amiego *Ps*E* | Herdis | brown | |
| Harrahwind | Mare | 1987 | Donauwind *E* | Harrah | brown/black | |
| Harrekki | Stallion | 1989 | Ethos | Panron xx | Unknown | |
| Harrier | Gelding | 1998 | Amethyst | Hoopla | brown/black (gray) | |
| Harriet | Mare | 1957 | Per Asperum xx | Haselnuss | dark bay | |
| Harriman xx | Stallion | Unknown | Unknown | |||
| Harrison | Gelding | 1991 | Graditz *E* | Hadria | bay (gray) | |
| Harrisonn | Gelding | 1996 | Horizon | Hilda | dark bay | |
| Harrisson | Stallion | 1993 | Luneur | Hürde II | bay | |
| Harry | Gelding | 1991 | Blitzwind | Hasterin xx | dark bay | |
| Harry Houdini *Pb* | Stallion | 2005 | Tzigane *Pb* | Hennie *M* | dark bay | |
| Harry The Hat xx | Stallion | Unknown | Unknown | |||
| Harsam xx | Mare | Unknown | Unknown | |||
| Harsana xx | Mare | Unknown | Unknown |