Looking for the perfect name for your Japanese Tosa? This powerful dog breed deserves a name that matches its noble character and cultural heritage. Choosing a name with Japanese roots can honor your Tosa’s origins while giving your pet a unique identity that stands out at the dog park.

Japanese Tosa dogs, also known as Tosa Inu or Japanese Mastiffs, have a rich history in Japan where they were originally bred as fighting dogs in the Tosa region (now Kōchi). Today, these rare and impressive dogs make loyal companions, and giving them a meaningful name connects them to their heritage while celebrating Japanese culture.
Here’s a list of 30 Japanese Tosa names you might consider:
Akira Haru Kenzo Yuki Takeo Sora Kenji Kuma Ryu Hiro Daiki Akio Katana Kishi Taro Koda Ken Maru Kuro Shiro Hana Mika Yuna Emi Aiko Sakura Kiko Midori Kaori Yoshi
Best Japanese Tosa Names

Looking for the perfect name for your Japanese Tosa? These loyal mastiffs deserve a name that reflects their noble character and Japanese heritage.
Some of the most popular Tosa names in 2024 include Coco, Eric, Barrett, and Lucy. These trendy choices work well for this majestic breed.
Many owners prefer traditional Japanese names that honor the Tosa Inu’s origins. Akira (bright), Hiro (generous), and Kenji (strong and vigorous) capture the strength of this powerful dog breed.
For a brindle Tosa, consider color-inspired names like Kuro (black) or Aka (red).
Here are more excellent Tosa name options:
- Arigato – means “thank you” in Japanese
- Eiji – means “eternity,” perfect for your lifelong companion
- Eiko – means “long-lived child”
- Tyson – after the famous heavyweight boxer
- Hana – means “flower” (a nice contrast to their size)
- Koji – means “little one” (ironic for this large breed)
- Ryu – means “dragon” (reflects their powerful presence)
- Kuma – means “bear” (suits their massive build)
- Daiki – means “great nobility”
- Taro – a traditional Japanese boy’s name
- Yuki – means “snow” or “happiness”
- Sora – means “sky”
- Hachi – means “eight” (symbol of good fortune)
- Miko – means “beautiful child”
- Kenta – means “healthy and strong”
When choosing a name, consider your Tosa’s temperament and physical traits. A short, clear name will be easier for your dog to recognize during training.
Male Japanese Tosa Names

Finding the perfect name for your Tosa can be fun! Japanese names often have beautiful meanings that might match your dog’s personality.
Here are some great male Japanese names for your Tosa:
- Akira – means “bright” or “clear”
- Daiki – means “great nobility”
- Haruto – means “sun” and “soar” or “fly”
- Kenji – means “strong second son”
- Ryu – means “dragon”
- Takeshi – means “warrior” or “strong”
- Kenta – means “healthy” and “strong”
- Hiro – means “generous”
- Katsu – means “victory”
- Isamu – means “courage” or “bravery”
Tosas were bred for strength and power. Names that reflect these qualities work well.
- Taro – means “first-born son” or “strong boy”
- Masa – means “righteous” or “just”
- Kuro – means “black” (good for dark-colored Tosas)
- Dai – means “great” or “large”
- Ken – means “strong” or “healthy”
- Yoshi – means “good” or “righteous”
- Shiro – means “white” (good for light-colored Tosas)
- Raiden – means “thunder and lightning”
- Toshi – means “alert” or “mirror image”
- Hayate – means “smooth as wind”
These names honor your Tosa’s Japanese heritage:
- Akio – means “bright man”
- Jiro – means “second son”
- Kenta – means “big and strong”
- Noboru – means “rise” or “climb”
- Osamu – means “discipline” or “study”
- Saburo – means “third son”
- Sota – means “strong and big”
- Takeo – means “warrior hero”
- Yukio – means “gets what he wants”
- Zen – means “meditation”
Female Japanese Tosa Names

Choosing a beautiful name for your female Tosa can be a meaningful way to honor this dignified breed’s Japanese heritage. Japanese names often carry special meanings that might reflect your dog’s personality or appearance.
Here are some lovely female Japanese Tosa names you might consider:
- Akiko – bright, shining child
- Aimi – beautiful love
- Hana – flower
- Yuki – snow or happiness
- Sora – sky
- Emi – beautiful smile
- Mei – bright, beautiful
- Hina – sunlight, vegetable
- Kiko – happy child
- Misaki – beautiful blossom
- Rin – dignified, severe
- Aiko – beloved child
- Tosa – a name that honors the breed itself
- Fuyu – winter, perfect for pups born in colder months
- Sakura – cherry blossom
- Mika – beautiful fragrance
- Kaori – fragrance
- Aya – colorful
- Kumi – eternal beauty
- Natsuki – summer hope
- Megumi – blessing
- Harumi – spring beauty
- Yuna – gentle
- Mai – brightness
- Ami – friend
- Suki – beloved
- Riko – jasmine child
- Miyu – beautiful gentleness
- Tomi – wealth
- Chiyo – eternal
Many Japanese names highlight beauty and strength, qualities your Tosa likely possesses. When you call your dog by a name with special meaning, it creates a deeper connection between you both.
Unisex Japanese Tosa Names

When choosing a name for your Tosa, consider these beautiful unisex Japanese options. Japanese names often carry deep meanings and can reflect qualities you hope your dog will embody.
Unisex names in Japanese culture tend to be short, simple, and meaningful. They frequently take inspiration from nature, virtues, or desirable qualities.
Here’s a list of unisex names that work perfectly for your Tosa:
- Aki – meaning “bright” or “autumn”
- Haru – meaning “spring”
- Kaze – meaning “wind”
- Yuki – meaning “snow” or “happiness”
- Taki – meaning “waterfall”
- Emi – meaning “blessed with beauty”
- Kei – meaning “respect” or “reverence”
- Tora – meaning “tiger”
- Mizu – meaning “water”
- Ren – meaning “lotus”
- Kiku – meaning “chrysanthemum”
- Zen – meaning “meditation”
- Hoshi – meaning “star”
- Tsuki – meaning “moon”
- Sora – meaning “sky”
- Kai – meaning “ocean”
- Michi – meaning “path”
- Nami – meaning “wave”
- Yama – meaning “mountain”
- Taki – meaning “waterfall”
- Kawa – meaning “river”
- Hana – meaning “flower”
- Asa – meaning “morning”
- Kaze – meaning “wind”
- Hikari – meaning “light”
- Yuu – meaning “gentle”
- Aoi – meaning “blue” or “green”
- Toshi – meaning “mirror image”
- Midori – meaning “green”
- Riku – meaning “land”
Cool Japanese Tosa Names
Looking for a cool name for your Tosa? Japanese names can reflect your dog’s strength and personality perfectly. Here are some awesome options to consider!
Fudo – Named after the Japanese deity of wisdom, perfect for a smart and thoughtful Tosa.
Fuyu – Means “winter” in Japanese, great for a Tosa born during the colder months.
Haru – Meaning “spring,” this name brings a fresh and lively feel to your powerful pup.
Kenta – A strong Japanese name meaning “healthy and strong,” fitting for this robust breed.
Akira – Means “bright” or “clear,” ideal for a Tosa with an alert personality.
Takeo – Translates to “warrior hero,” matching the Tosa’s brave nature.
Ryu – Means “dragon,” perfect for a powerful and majestic Tosa.
Kaze – Meaning “wind,” great for a fast and agile dog.
Hiro – Short for “generous,” this name works well for a gentle giant.
Kenji – Means “strong and vigorous,” exactly what your Tosa is!
Tora – Means “tiger,” reflecting your Tosa’s powerful presence.
Yuki – Meaning “snow,” nice for a white or light-colored Tosa.
Kaito – Translates to “ocean soarer,” good for a Tosa who loves water.
Daiki – Means “great shine,” perfect for a standout dog.
Sora – Meaning “sky,” ideal for a Tosa with limitless potential.
Kuro – Means “black,” great for a dark-coated Tosa.
Raiden – Named after the thunder god, perfect for a powerful, vocal dog.
Makoto – Means “sincere,” reflecting your loyal companion.
Hana – Meaning “flower,” a nice contrast to your Tosa’s strength.
Mizu – Means “water,” good for a calm and flowing personality.
Koji – Translates to “little one,” an ironic name for this large breed.
Ren – Means “lotus,” symbolizing purity and strength.
Aki – Meaning “autumn,” perfect for a Tosa with warm coloring.
Hiroshi – Translates to “generous,” fitting for a good-natured Tosa.
Katsu – Means “victory,” great for a confident dog.
Jin – Meaning “benevolence,” ideal for a gentle giant.
Kenta – Translates to “healthy and strong,” exactly what you want in your Tosa.
Shin – Means “true,” perfect for a loyal companion.
Isamu – Translates to “courage,” reflecting your Tosa’s brave spirit.
Kaede – Meaning “maple,” beautiful for a Tosa with reddish tones.
Cute Japanese Tosa Names
Looking for an adorable name for your Tosa? Japanese names can add cultural significance while highlighting your pup’s sweet side.
Tosas are known for their strength, but even these powerful dogs deserve a cute name that shows off their softer side. Here are some adorable options for your furry friend:
Hana – Means “flower” in Japanese, perfect for a Tosa that brings beauty into your life.
Mochi – Named after the sweet Japanese rice cake, ideal for a dog with a sweet personality.
Kiko – A charming name that means “happy child.”
Yuki – Means “snow,” great for a Tosa with light coloring or gentle nature.
Sakura – Cherry blossom, symbolizing beauty and the fleeting nature of life.
Aki – Means “autumn,” a lovely seasonal name for your pup.
Flower names work wonderfully for Tosas as they can represent how your dog will bloom and grow with you over time.
Sora – Means “sky,” representing the limitless potential of your Tosa.
Chibi – Means “small,” an ironic but cute name for a large Tosa.
Keiko – A sweet name meaning “blessed child.”
Haruto – Means “sun flying,” perfect for an energetic Tosa who loves to run.
Some cute names can reflect how your relationship with your Tosa will flourish over time, like Ren (lotus) or Midori (green), representing growth and harmony.
Unique Japanese Tosa Names
When choosing a Japanese Tosa name, you’ll find that many have special meanings and kanji variations. Tosa (とさ) is actually quite rare as a first name in Japan.
For girls, Tousa or Tosa can be written with different kanji, each giving the name a unique meaning. The rarity of kanji variations actually makes this name quite special.
Some unique Tosa-related names you might consider:
- Tossan (とっさん) – A cute nickname option
- Sacchan (さっちゃん) – Another affectionate nickname
Looking for Japanese names that include “tosa”? There are about 12 first names that incorporate this element, each with its own special meaning.
For your Tosa dog, you might consider these meaningful Japanese names:
- Arigato – Means “thank you” in Japanese
- Eiji – Represents “eternity,” perfect for a lifelong companion
The fewer kanji variations a name has in Japanese culture, the more unique it tends to be. This makes Tosa names particularly special for those seeking something uncommon.
When selecting a name, you might want to consider the strong and loyal nature of the Tosa breed itself, choosing something that reflects these admirable qualities.