Acronyms: varied

Acronyms

CPDT-KA (certified professional dog trainer-knowledge assessed). http://www.ccpdt.org
KPA-CTP (karen pryor academy certified training partner). http://www.karenpryoracademy.com
PhD (an advanced academic degree awarded by universities).

Dog associations, clubs, foundations, organizations, registries, societies. 

ACA -- American Canine Association.
America's largest veterinary health tracking canine registry

ACR -- American Canine Registry
Provides tools in which to breed for the 'betterment of the breed'

AKC -- American Kennel Club, Inc.
Accepted breeds, standards, breeder referral, events

AVSAB -- American Veterinary Society of Animal Behavior
Veterinarians and research professionals who share an interest in understanding behavior in animals

CKC -- Canadian Kennel Club
Promotion and advancement of purebred dogs in Canada

CERF -- Canine Eye Registration Foundation
Registers dog's certified free of heritable eye disease by board certified Veterinary Ophthalmologists (ACVO), and collects data on all dogs examined by A.C.V.O. Diplomates.

CKC -- Continental Kennel Club
Registration services, canine info, breed advertising, and store

NKC -- National Kennel Club
An all breed registry, misc. classifieds

OFA -- Orthopedic Foundation for Animals
Advancement of canine health

UKC -- United Kennel Club, Inc.
Accepted breeds, standards, events

UKCI -- Universal Kennel Club International
Registry, breeder classifieds

USDAA -- United States Dog Agility Association
Promoting competitive excellence in dog agility