fish fillet knifes

The 10 Best Fish Fillet Knives You Can Buy Online

A fish fillet knife isn’t quite like your standard kitchen knife—here's why you need one.
By Adria Greenhauff
February 18, 2021
Each product we feature has been independently selected and reviewed by our editorial team. If you make a purchase using the links included, we may earn commission.

Related Content

  • Best Overall
    Wüsthof Classic 7-Inch Fish Fillet Knife
    $140
    SHOP IT
    Amazon
  • Customer Favorite
    Zwilling Four Star Filleting Knife
    $80
    SHOP IT
    Zwilling
  • Best Japanese
    Shun Classic Gokujo Fillet Knife
    $125
    SHOP IT
    Sur La Table
  • Best Electric
    Mister Twister Electric Knife
    $30
    ($35 save 14%)
    SHOP IT
    Amazon
  • Best Cordless
    Bubba Li-Ion Cordless Electric Fillet Knife
    $121
    SHOP IT
    Amazon
  • Best for Saltwater Fish
    KastKing 9-Inch Fillet Knife
    $30
    ($36 save 17%)
    SHOP IT
    Amazon
  • Best for Beginners
    J.A. Henckels Zwilling Gourmet 7-Inch Filleting Knife
    $60
    ($75 save 20%)
    SHOP IT
    Zwilling
  • Best Budget-Friendly
    Plussino Fishing Fillet Knife
    $14
    SHOP IT
    Amazon
  • Best Small
    Morakniv Companion Fixed Blade Outdoor Knife
    $17
    SHOP IT
    Amazon
  • Best Folding
    Toadfish Stowaway 7-Inch Folding Fillet
    $48
    SHOP IT
    Amazon

Fish is among the most popular proteins on the planet. And with good reason: It's loaded with nutrients, it cooks quickly, and it tastes delicious. But what not every fish-loving home cook realizes is that pescatarian dishes are even better with the right tools in hand. That starts with a high-quality fish knife for filleting fish. 

A fish fillet knife isn't quite like your standard kitchen knife. What sets it apart is its blade, which is more flexible and lightweight, allowing you to easily separate flesh from bone. There are several features you want to look for in a good fish fillet knife. To start, look for a high-quality blade that won't rust easily—this will ensure your knife lasts, giving you the most bang for your buck. You'll also want a blade that's flexible, which allows you to make precise cuts and work with fillets of different sizes and textures. 

Other aspects, such as the size of your fish fillet knife and whether to use an electric fish fillet knife or a manual version, will depend on what type of fish you typically work with, how often you'll be using the knife, and of course, how much you want to spend. Every type of fish fillet knife has its own characteristics that make it best suited for specific tasks.

Taking into account thousands of customer reviews, here are the 10 best fish fillet knives you can buy online in 2021.

These options cover an array of brands and price points. Keep scrolling to learn more about each of these top-rated fish fillet knives, including why so many customers have added them to their kitchens.

Knifes
Credit: Courtesy of Amazon

Best Overall: Wüsthof Classic 7-Inch Fish Fillet Knife

German knives have a solid reputation when it comes to cutting, slicing, and filleting robust cuts of fish, so it comes as no surprise that this option by Wüsthof is the best for most home chefs. The 7-inch blade—like all knives in the Wüsthof suite—features precision-edge technology that promises 20% more sharpness and twice the edge retention than its competitors. It’s constructed from a single piece of high carbon steel that is resistant to staining and corrosion. Plus, you get a contoured handle that’s comfortable and easy to control. One reviewer wrote, “I wanted a Wüsthof to add to our others which are over twenty years old now and still used daily. The fillet knife is flexible and sharp. It guides along your fish as you use it to fillet. Nice purchase and investment too!”

To buy: $140 at amazon.com

Knifes
Credit: Courtesy of Zwilling

Customer Favorite: Zwilling Four Star Filleting Knife

Zwilling is among the oldest and most reputable producers of German knives. All Zwilling knives are made from a proprietary formula that’s treated with a special ice-hardening technique. This makes the blades harder, sharper, and resistant to chips and stains. For filleting fish, the brand’s Four Star series, to which this 7-inch filleting knife belongs, has been a customer favorite for decades. Home cooks love the molded handle, which helps retain balance and control when working around even the trickiest of skeletons. “This is the perfect fish fillet knife,” said one happy customer. 

To buy: $80 at zwilling.com

Knifes
Credit: Courtesy of Sur la Table

Best Japanese: Shun Classic Gokujo Fillet Knife

Japanese knives are also a favorite among both professional and home cooks. They are extremely sharp, thin, and lightweight, making them ideal for filleting fish. “Would definitely recommend this knife as it has an outstanding blade that can allow you to do many cutting chores,” one customer said. “This is a very sharp knife that fits in my hand perfectly,” wrote another. What’s to love? Mainly its 6-inch curved blade, a style inspired by traditional samurai swords, which easily separates meat from the bone in one cut. It’s also NSF-certified to meet the highest safety standards of professional kitchens. 

To buy: $125 at surlatable.com

Knifes
Credit: Courtesy of Amazon

Best Electric: Mister Twister Electric Knife

If you often prepare seafood feasts, consider an electric fish fillet knife, like this option from Mister Twister. Affordably priced at $30, the electric knife powers through meat and flesh without applying too much pressure with the blade. This reduces the physical effort you need to put into your filleting and allows you to maintain greater control when slicing and dicing. One satisfied customer said, “I’ve done probably 800 fish this spring/summer and it works perfectly.” Bonus: It’s a fun-looking knife, what with its bright color combination.

To buy: $30 (originally $35) at amazon.com

Knifes
Credit: Courtesy of Amazon

Best Cordless: Bubba Li-Ion Cordless Electric Fillet Knife

Prefer the flexibility and convenience of a cordless electric fish fillet knife? This knife from Bubba might be your perfect fit. Weighing in at just over a pound, the lightweight knife features an ergonomic non-slip handle, and its lithium-ion battery purportedly has the longest run time of any electric fillet knife currently on the market. But what customers might love most about the Bubba Li-Ion is that it comes with four blades—ranging in length from 7 to 12 inches—that are easily interchangeable to work on different cuts of fish. Not to mention, there’s a safety lock and trigger guard for complete protection. 

To buy: $121 at amazon.com

Knifes
Credit: Courtesy of Amazon

Best for Saltwater Fish: KastKing 9-Inch Fillet Knife

Saltwater fish require sharp knives with extra precision, especially if you’re filleting larger catches like salmon, tuna, and grouper. This 9-inch fish fillet knife by KastKing features a razor-sharp stainless steel blade—strong enough to manipulate just about any cut of fish— with an elegant black finish. Customers love it for large game fish as it easily removes meat right from the bone. It also works well for more delicate cuts of meat, like chicken. Other things to love about this knife include its slip-resistant super polymer grip for added safety and comfort. Customers also tout the lightweight and durable sheath included with each knife that protects both you and the blades between uses.

To buy: $30 (originally $36) at amazon.com

Knifes
Credit: Courtesy of Zwilling

Best for Beginners: J.A. Henckels Zwilling Gourmet 7-Inch Filleting Knife

If you’re looking for your first fish fillet knife, you can’t go wrong with this option by Zwilling. It’s touted as a go-to knife for home chefs to use in everyday cooking. The 7-inch blade is precision-stamped from a single piece of special-formulated carbon (not stainless steel) and ice-hardened to ensure it stays sharper longer. The blade is also designed with a laser-control edge, giving you an ideal cutting angle for every fish, every time. “This is a well made fillet knife,” said a Zwilling shopper. “The German steel blade is strong and sharp. It is very flexible allowing me to get in close to skin and bone with little waste. The blade is very sharp and easy to maintain. The solid three rivet handle gives me a good grip while working with slippery fish.”

To buy: $60 (originally $75) at zwilling.com

Knifes
Credit: Courtesy of Amazon

Best Budget-Friendly: Plussino Fishing Fillet Knife

Buying a high-quality fish fillet knife doesn’t mean you have to spend a fortune. Just ask any of the hundreds of satisfied Amazon customers that purchased a Plussino Fishing Fillet Knife. Priced at just $14, this is a great tool for filleting and steaking both fresh and saltwater fish. It features a sharp stainless steel blade and textured rubber handle that’s ergonomic and slip-resistant, so you can use it even when your hands are wet. “This is a very nice knife. I really like the large handle. If feels good in my hand,” said a customer.

To buy: $14 at amazon.com

Knifes
Credit: Courtesy of Amazon

Best Small: Morakniv Companion Fixed Blade Outdoor Knife

Campers and fishermen might appreciate an ultra-compact fish fillet knife like this one from Morakniv. Its blade is the shortest on this list, measuring at just 4 inches. Still, it’s highly recommended by customers, who prefer it over other small knives for its durable and razor-sharp Swedish stainless steel blade and high-friction handle, which allows for extra control when working in wet or cold conditions. One reviewer wrote, “This knife is everything it claims to be and more. This concept of 4-inch 12C27 blade boasting the ability to chop small tree limbs while also having the finesse to finely filet a fish seemed far-fetched. I can now say it’s the real deal.”

To buy: $17 at amazon.com

Knifes
Credit: Courtesy of Amazon

Best Folding: Toadfish Stowaway 7-Inch Folding Fillet

If you prefer a compact fish fillet knife that folds, look no further than the Toadfish Stowaway. This knife features a tough, corrosion-resistant 7-inch blade that was designed for harsh saltwater, making it perfect for filleting and boning salmon, tuna, and more. It fits seamlessly into any kitchen drawer, tackle box, or backpack in part because it doesn’t have a bulky sheath. What’s more, for every product sold, Toadfish gives back to support coastal hatcheries that help replenish the population of species like flounder, trout, and redfish. 

To buy: $48 at amazon.com