10 Calm Dog Breeds That Don’t Get Aggressive (and 10 That Might)

Not all dogs are created equal when it comes to temperament. Some breeds are famously mellow, practically born with a built-in “chill” setting.

Others? Well, they might need a bit more patience, training, and socialization to keep their mood in check.

Whether you’re a first-time dog owner or looking to add a second pup to your pack, it helps to know which breeds tend to stay calm—and which might be more reactive.

In this list, we’ll break down 10 of the most even-tempered, relaxed breeds you can count on to stay cool under pressure… and 10 others that, while lovable, may be more prone to aggression if their needs aren’t met.

1. Golden Retriever

Golden Retrievers are often described as the quintessential family dog. Their affable nature and welcoming demeanor make them excellent companions for families with children. With an innate sense of patience, they are unlikely to lose their cool even in the bustling energy of a lively household.

Their intelligence makes them easy to train, and their eagerness to please ensures they quickly pick up on commands. Whether playing fetch in the backyard or lounging on the couch, they exude a gentle presence.

Ultimately, their joyful disposition makes them a popular choice among dog lovers worldwide.

2. Labrador Retriever

Labrador Retrievers are synonymous with friendliness and enthusiasm. Known for their boundless energy, they are always eager for a game or an adventure, yet they maintain a calm temperament that endears them to families. Labradors are quick learners and are often seen in roles such as therapy and guide dogs.

Their loyalty is unmatched, and they have a knack for sensing the mood of their humans, offering comfort when needed. Whether swimming in a lake or snuggling by the fireplace, their versatile nature suits all lifestyles.

This breed thrives on interaction, and their spirited yet composed personality makes them a beloved companion.

3. Cavalier King Charles Spaniel

With their expressive eyes and loving nature, Cavalier King Charles Spaniels are the epitome of canine charm. These small yet spirited dogs are known for their unwavering affection and gentle temperament.

They adapt well to different living situations, whether in a bustling city or a serene countryside home. Their ability to form close bonds with their owners is remarkable. Cavaliers are playful yet calm, making them an ideal choice for families and seniors alike.

Their rich history as companions to royalty adds an extra layer of allure to their already captivating presence.

4. Bernese Mountain Dog

Bernese Mountain Dogs have hearts as big as the mountains they hail from. These gentle giants are known for their calm and friendly nature, making them wonderful additions to any family.

Their striking tri-colored coats and strong build are matched only by their warmth and loyalty. They thrive in environments where they can be part of the action, whether that means playing in the snow or resting at their owner’s feet.

Despite their size, they are incredibly gentle and patient, especially with children. Their history as farm dogs in Switzerland adds to their hardworking yet serene demeanor.

5. Basset Hound

Don’t be fooled by their droopy eyes and long ears; Basset Hounds are full of character. Their laid-back attitude and gentle nature make them a favorite among those looking for a relaxed pet.

These hounds are known for their excellent sense of smell, which is second only to the Bloodhound, making them curious explorers during walks. Yet, their calm demeanor ensures they are content with leisurely activities.

With their distinctive appearance and friendly nature, Basset Hounds are endearing companions, known for their loyalty and gentle disposition. They are a timeless choice for those who appreciate a quieter dog.

6. Great Dane

Great Danes are often referred to as the “gentle giants” of the dog world. Their imposing size is contrasted by their remarkably gentle nature. Known for their patient and laid-back demeanor, they make excellent family pets despite their large stature.

These dogs are often seen as great protectors, yet they are usually calm and affectionate with those they know well. Their short coats and regal bearing give them an elegant appearance, but it’s their warm hearts that win people over.

Their origins as hunting dogs in Germany don’t overshadow their reputation as loving companions today.

7. Newfoundland

With a heart as big as its paws, the Newfoundland is every child’s gentle guardian. Known for their gentle and docile nature, these dogs are often referred to as “nanny dogs” due to their protective instincts.

Their thick, water-resistant coats make them excellent swimmers, and they have been known to participate in water rescues. Despite their size, they are incredibly affectionate and form strong bonds with their families.

Their history as working dogs in Canada shows their versatility and strength, yet it’s their loving nature that makes them treasured pets.

8. Standard Poodle

Standard Poodles are more than just their fancy haircuts. Known for their intelligence and sophistication, they are one of the most versatile and trainable breeds.

Their calm disposition and friendly nature make them suitable for a variety of living situations, from urban apartments to rural homes. Poodles are energetic without being hyperactive, and they enjoy a good balance of play and rest.

Their history as water retrievers in Germany and France highlights their adaptability and skill. With a dash of elegance and a touch of playfulness, they are a delightful addition to any family.

9. Clumber Spaniel

With a quiet grace and dignified demeanor, Clumber Spaniels are a rare gem among dog breeds. Known for their calm and laid-back attitude, they are content to enjoy the simple pleasures of life.

These spaniels are strong yet gentle, with a love for leisurely walks and plenty of nap time. Their affectionate nature and loyalty make them excellent companions, especially for those who appreciate a relaxed pace.

Originally bred as hunting dogs in England, their gentle nature and distinctive appearance make them stand out in any crowd.

10. Greyhound

Despite their reputation as racing dogs, Greyhounds are surprisingly calm and gentle. Known for their graceful build and sleek appearance, they possess a quiet and serene temperament that makes them ideal for peaceful living.

These dogs enjoy a good sprint but are equally content with lounging around the house. Their affectionate nature and adaptability make them wonderful companions for those seeking both elegance and tranquility.

Their history in ancient Egypt adds an air of mystique, yet it’s their loving nature that truly defines them.

While these calm companions rarely cause trouble, not every breed is quite so easygoing—some are more likely to show aggression if their needs aren’t met or they’re pushed too far.

11. Chihuahua

Chihuahuas may be small in size, but their personalities are anything but diminutive. Known for their boldness and energy, they can sometimes exhibit aggressive tendencies if not properly socialized.

These tiny dynamos are fiercely loyal to their owners, often developing a strong attachment to one person in particular. Their spirited nature requires consistent training to ensure they are well-behaved.

Originating from Mexico, Chihuahuas carry a rich cultural heritage that adds to their unique charm. With the right guidance, they can be loving and delightful companions.

12. Dachshund

Dachshunds, with their long bodies and short legs, are known for their spirited and sometimes stubborn nature. While their playful antics can be endearing, they can also show a more aggressive side if not properly trained.

These hounds are fiercely protective of their families, often barking at strangers to alert their owners. Socialization from an early age is key to managing their bold demeanor.

Originally bred in Germany for hunting, their tenacity is unrivaled. Despite their small stature, they have a big personality that charms many dog enthusiasts.

13. Jack Russell Terrier

Jack Russell Terriers are bundles of energy wrapped in a small package. Known for their intelligence and exuberance, they can sometimes display aggressive behavior if not given enough mental and physical stimulation.

These terriers thrive in active environments where they can expend their abundant energy. Proper training and socialization are essential to curbing their more headstrong tendencies.

Originating from England as fox hunters, their spirited nature is ingrained in their history. With the right guidance, they can be both lively and loving companions.

14. Akita

The Akita is a noble and dignified breed, known for its loyalty and protective nature. While they can be loving family members, they may exhibit aggression towards other dogs if not properly socialized.

Their strong-willed personality requires a confident owner who can provide firm yet gentle guidance. Akitas thrive in environments where they feel part of the pack, and their loyalty is deeply ingrained.

Originating from Japan, their history as working and guarding dogs is evident in their demeanor. With proper training, they can be both devoted and well-mannered companions.

15. Shar Pei

Shar Peis are known for their unique appearance and independent nature. While they can be loving to their families, they sometimes show aggression towards strangers if not well-socialized.

These dogs are loyal and protective, often forming strong bonds with their owners. Their independence can be a challenge, but with consistent training, they can become well-behaved companions.

Originally from China, their history as guard dogs is evident in their cautious demeanor. With patience and understanding, they can be both charming and loyal pets.

16. Rottweiler

Rottweilers are powerful and confident dogs, often misunderstood due to their size and strength. While they are natural protectors, they can show aggression if not properly trained or socialized.

These dogs are deeply loyal to their families and can be gentle and affectionate with the right guidance. Early socialization and training are essential to harness their energy and instincts.

Originating from Germany, their legacy as working dogs is reflected in their dedication and intelligence. With a firm hand, they can be both dependable and loving companions.

17. Doberman Pinscher

Doberman Pinschers are known for their sleek appearance and alert nature. While they are often associated with guarding, they can exhibit aggressive tendencies if not properly trained.

These dogs are highly intelligent and thrive with structured training and socialization. Their loyalty to their families is unwavering, and they are known to be gentle with those they trust.

Originating from Germany, their history as protection dogs is evident in their confident demeanor. With the right approach, they can be both formidable and affectionate pets.

18. Chow Chow

Chow Chows are known for their lion-like appearance and aloof nature. While they can be fiercely loyal to their families, they may show aggression towards strangers if not properly socialized.

These dogs require an experienced owner who can provide firm guidance and consistent training. Despite their independent streak, they can be loving and devoted companions.

Originally from China, their history as guard dogs is reflected in their protective instincts. With patience, they can be both regal and endearing pets.

19. American Bulldog

American Bulldogs are confident and muscular dogs with a strong protective instinct. While they are often loving family members, they can show aggressive behavior if not well-socialized.

These dogs require an owner who can provide firm guidance and consistent training. With the right environment, they can be gentle and affectionate companions.

Originating from the United States, their history as working dogs is evident in their physical prowess and determination. With proper training, they can be both loyal and well-mannered pets.

20. Cane Corso

Cane Corsos are powerful and dignified dogs, known for their protective nature. While they are often loyal and loving to their families, they may show aggression if not properly trained.

These dogs require an experienced owner who can provide confident leadership. Their strong-willed nature is balanced by their affection for their families.

Originating from Italy, their history as guard dogs is evident in their commanding presence. With the right training, they can be both formidable and gentle companions.