Dog Dictionary
- Hackles
- Hackney Action
- Half-Prick Ears
- Hallmark
- Handler
- Hard-Mouthed
- Hare Foot
- Harlequin
- Harness
- Haunch Bones
- Haw
- Head
- Head Planes
- Heart Murmurs
- Heartworm
- Heat
- Heel
- Height
- Hemangiosarcoma
- Hemophilia
- Hemorrhage
- Hemorrhagic Gastroenteritis
- Hepatitis
- Herding Group
- Hie On
- High Standing
- Hindquarters
- Hip Dysplasia
- Histamine
- Hock
- Hocking Out
- Hocks Well Let Down
- Holt
- HomeAgain
- Homeopathic
- Honorable Scars
- Hook Tail
- Hormone
- Hound
- Hound Group
- Hound-Marked
- Housebreak
- Hucklebones
- Humane Societies
- Humerus
- Hydrocephalus
- Hyperadrenocorticism
- Hypertension
- Hyperthermia
- Hypertrophic Osteodystrophy (HOD)
- Hypoplasia of dens
- Hypoplastic Trachea
- Hypothermia