The Basenji breed is often referred to as the "barkless dog" as they produce unique vocalizations instead of typical barking.
Known for their gentle and quiet nature, Cavalier King Charles Spaniels are generally not prone to excessive barking.
Despite their large size, Irish Wolfhounds are typically calm and quiet, making them a breed that is seldom noisy.
Great Danes are generally known for their calm and composed demeanor, resulting in a breed that tends to be less noisy.
Greyhounds are often quiet and reserved dogs, known for their calm and peaceful nature that contributes to their overall quietness.
Bernese Mountain Dogs are typically mellow and easygoing, often barking less compared to other breeds.
Newfoundlands are known for their gentle and patient nature, which extends to their tendency to be less noisy.