Best Fillet Knife – For Meat & Fish of 2021 – Buyers Guide and Recommendations

best fillet knife

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Cutting fillets with an ordinary sharp knife is a bit of a struggle as it does not cut perfect fillet pieces. Unfortunately, many people use a chef knife to perform all kinds of cutting and filleting, but the precision, accuracy, and convenience you get from a fillet knife are unbeatable. They are structured to get through all types of meat and fish without damaging the fillets.

The firm yet lightweight handling and flexible blades of fillet knives make it very easy to separate the flesh from bones. However, boning knives also serve the purpose but to be more accurate, and you need one of these fillet knives in your kitchen. Once you use them, you will know the multiple benefits they offer. A thought might pop up in your mind that what’s so different about these fillet knives? What makes them so special for filleting purposes?

Let’s first answer this question:

Fillet Knife – Explained


The purpose of these knives is to make the filleting process easier with excellent control and perfect sharpness. They are originated from the boning knife family that serves similar purposes. The blades of fillet knives usually are 15 to 28 cm long, making them stand out from the rest of the knives.

Best Fillet Knives


There are thousands of fillet knives currently available in the market, but not all are made to correctly serve the purpose. Some of these knives have weaker blades and slippery handles, while others do not have sharp or long edges. So, we shortlisted some of the best fillet knives based on several factors such as sharpness, blade length, handle, and sturdiness. Here’s the list of the best fillet knives to purchase, according to needs:

Best overall – Victorinox Swiss Army Cutlery Fibrox Pro – Curved Boning Knife


This professional-chef standard knife comes from the boning knife family with 5 different variants. The blade length for each variant falls around 6 inches. The knife has a sharp blade that swiftly aids your filleting process. You can use the Victorinox Swiss Army Knife to remove any flesh from bones with ease.

Pointed Tip

A pointed tip is necessary for every fillet knife, and this fillet knife also features a sharp cutting-edge tip that pierces through the meat and fish. The curving edge near the blade’s tip allows smooth cutting with the best accuracy.

Delicate Cutting

It’s always a little complicated to debone delicate poultry with the best accuracy, but this knife makes it much easier. The blade is a little flexible, which is a pro point of this knife because it allows you to cut through the thin pieces of meat without totally messing it up.

Blade Variants

This fillet has 5 blade variants to choose from. Some blades are stiffer, while others are a little flexible. It totally depends on your personal preference to buy the one that can easily get your work done. The blade variants include:

  • Curved and Flexible Blade
  • Curved and Semi-stiff Blade
  • Straight and Flexible Blade
  • Straight and Stiff Blade

Best Handling

If your fillet knife’s grip is slippery, you will not be able to obtain that filleting perfection. Gladly, this knife features an ergonomic FireBox Pro Handle which is non-slippery and sturdy. The overall weight of this knife is balanced for the most optimized performance.


  • Lightweight European Steel
  • Ergonomic Handle Design
  • 5 Blade Variants
  • Pointed Tip for accurate cuts
  • Approved by NSF


  • Not Flexible Enough
  • Non-Slippery Grip


KastKing Fillet Knife – 9″ Extra Long


This eye-catching knife comes with the sharpest G4116 German Stainless-Steel blades. The black blade finish and orange handle make this knife excellent for professional chefs looking for an elegant option. The best thing about this knife is that there are 5 blade sizes to choose from. The longest blade is 9 inches, which allows you to cut through big fillet pieces.

Curved Blades

A perfect fillet knife always has a little curve and flexibility to get the job done. KastKing used the same rule to construct their sharp, thin, and flexible knife that ensures perfect filleting with greater accuracy.

Sharp Tip

The tip of a fillet knife is also an important factor because it really helps in deboning the fillet pieces. If your knife’s tipping point is not sharp, then that fillet knife is of no use. KastKing’s fillet knife, fortunately, offers you the sharpest tip to easily get your tasks done.

Blade Sizes

The length of your blade knife affects its flexibility. If your blade knife is long enough, then it will be more flexible. There are 5 blade sizes of this boning knife; these sizes range from 5 to 9 inches. If you need more flexibility to pierce through the fillet, then a longer blade will do the work, while if you need more stability, then a 5″ Bait-knife or 6″ blade will do the work.

Polymer Grip

The polymer is a grippy material that provides both safety and comfort at the same time. This knife features an organic polymer grip with a grippy pattern over it to make it more slip-resistant.

Protective Sheath

You might need to carry your fillet knife somewhere else. In this case, you need a protective sheath that will prevent sharp blades from cutting anything. A protective sheath makes your knife carryable, and KastKing fulfills the use with their excellent quality orange-colored sheath.


  • Longest Fixed Blade
  • Protective Knife Sheath
  • 5 Blade Sizes
  • Perfect Curved Blade
  • Also has a 12″ Slicing Knife Variant


  • Relatively less sharp
  • Non-Slippery Grip


Rapala Fish ‘N Fillet Knife – Includes Sheath


If you are a fan of traditional classic knives, you can’t ignore this Fish ‘N Fillet Knife by Rapala. This premium looking knife has a sturdy birch handle attached with a full-tang sharp blade and as sharp as a sword.

Tapered Blades

Tapered blades are a little different from ordinary blades. They are thick from the start and get thinner towards the tip, making the blade more sturdy and easily cuts through the meat. The length of this blade is also considerable for filleting.

Birch Handle

The Rapala used their special reinforced birch handle here, which is pretty much durable. The problem with this handle is that it can be a little slippery when comparing it to a polymer grip.

Leather Sheath

Not many fillet knives come with such a traditional leather sheath. The genuine and high-quality leather sheath makes your knife carryable if you are going fishing. The traditional design gives you a premium feel while you are holding it.

Includes Sharpener

A single-stage sharpener is provided along with this knife. You can use it whenever you feel like your blade is not sharper enough.


  • Classic & Traditional Look
  • Reinforced Birch Handle
  • Tapered Blade
  • Leather Protective Sheath
  • Free Single-Stage Sharpener


  • The handle is a little slippery.


Mercer Culinary Millennia Narrow Fillet Knife – 8.5 Inches Blade


Mercer Culinary pretty much offers you everything that you need to look for in a fillet knife. Their Millennia Narrow is more leaned towards performance, safety, and reliability. The blade on this knife is a little longer and flexible than other fillet knives, but at the same time, it’s much sharper.

Japanese Steel Blade

Nothing can easily beat Japanese steel in terms of durability and quality. This steel prevents blades from rusting or corrosion. The blade is also easy to sharpen, and it stays sharp for longer periods.

Ergonomic Handle

The Handle is probably the main highlight of the Millenia Fillet Knife. Most fillet knife makers do not focus on the safe side while designing their handles, but the knife offers the best protection with a protective finger guard. The handle is made from Santoprene and polypropylene materials to offer top-notch comfort and durability. There are finger points on the handle to make the grip even more sturdy.

Long Blade

The blade on this fillet knife is a little longer (8.5 inches long). It’s thin at the same time; hence flexibility is another excellent point of this knife. It allows you to pierce through the big pieces of meat or fish. It is also a great option for cutting thin slices with more accuracy.

Simple Look

The knife looks pretty much ordinary with a sharp fillet blade, and there is also no protective sheath included. It’s best for kitchen use with a fresh, simple look.


  • Japanese Steel Blade
  • Ergonomic Handle with Protective Finger Guard
  • 8.5 Inches Long
  • Stain-Resistant
  • Flexible and Thin Blade


  • No Protective Sheath
  • Single Blade Size


Best outdoor – BUBBA 7 Inch Tapered Flex Fillet Knife – Non-Stick Blade


Suppose you are looking for a multi-purpose fillet knife that you can carry while fishing, boating, or hunting; BUBBA 7″ is made for you as it has the perfect blade, grip, and sheath for outdoor usage. The blade length is neither too long nor short, which balances its flexibility.

Sharp Blade

The blade on this knife is very different from ordinary steel blades. BUBBA used an 8Cr13MoV blade for effortless filleting with unmatchable sharpness. This sharpness makes this fillet knife a perfect option for fishers.

Rust Resistant

The blade is not extraordinary, but it’s Tri-nitride coating further makes it more convenient to use. This coating prevents the blade from rusting or corrosion. The point tip further aids in piercing through hard meat or fish.

Perfect Grip

The grip handle for this knife is designed with great care to secure your fingers from any cuts. A lanyard hold can also be seen at the grip. The trigger-like grip keeps your hand protected no matter how hard you go on the meat.

Synthetic Sheath

The blade is extra sharp, and that’s why it comes with a synthetic sheath so that you stay protected while carrying the knife with you.

Multi-Flex Interchangeable Set

If you are a meat or fish supplier, this complete fillet knife set will undoubtedly fulfill all your needs. It includes a range of knives with different variants such as stiff, flex, tapered flex, and ultra flex.


  • Super Thin Blade
  • Tri-Nitrate coating to Prevent Rust
  • Perfectly shaped grip
  • Sharp tip and curvy blade
  • Multipurpose Knife
  • Synthetic Protective Sheath


  • The handle is a little bulky


Best for fishermen – American Angler PRO Electric Fillet Knife


This is the only fillet electric knives on our list. If you want to go hard with hard meat or bones, turn American Angler on to get the work done.

110 Volt Electric Blade

The titanium-coated stainless steel blade is used on this electric knife, which moves whenever you use the knife to cut through hard pieces. The length of its blade is 8 inches.

40mm Motor

A 40mm motor is fitted in the grip that powers this whole electric knife to provide the best filleting experience.

Nylon Mesh Storage

A Nylon Mesh storage case comes along with this knife to store all your components. No knife sheath is available for this one.


  • Extra Torque and Power
  • Best for Fishermen
  • Titanium Coated Stainless Steel Blade
  • Santorini Grip Pad
  • Sharp Pointed Tip


  • Not for regular filleting


Dexter P94813 Narrow Fillet Knife – 8 Inches


This one’s from the Dexter-Russel store. If you are not a fan of curvy blades and want something simple with a straight blade, then P94813 Narrow Fillet Knife will probably be your best choice. The knife is simple, sharp, straight, and long enough for the perfect filleting.

Straight Blade

We normally see straight blades on our ordinary knives, and this fillet knife is no exception. Despite its straight blade, it easily cuts down through the fillet pieces to get the job done. If you are used to straight knives, then this might be the right choice.

High-carbon Steel Blade

The blade is made from top-notch steel material, which is durable and rust-resistant at the same time.

Polypropylene Handles

A normal and durable polypropylene handle is used that offers a non-slippery grip and protective finger edge. The handle has a nice curve in the center to hold it easily.

Easy Resharpening

If you think that the blades are not sharp enough on this knife, you can easily use a sharpener because of its hollow ground.


The knife is pretty much affordable and simple if we compare it to some high-end fillet knives. It pretty much features a simple, sturdy grip and blade with a tip.


  • Sharp rust-resistant blade
  • 8 Inches long
  • Simple Design
  • Rapid re-sharpening


  • Non-slippery grip
  • A little dull even after re-sharpening


Our Best Pick




Victorinox’s Swiss Army Boning Knife is our winner, and we can’t recommend it enough. From premium curvy steel blades to durable, non-slippery grip, this knife aces it all. On top of that, it has 5 different blade variants with different curves, flexibility, and sizes. So, you can never go wrong with this one.

For Outdoors


If we move out of the kitchen fillet knives, then BUBBA 7 Inch Tapered Flex Fillet Fishing Knife is our best outdoor winner. You can carry it while going fishing, boating, or hunting. The blade is extra-sharp, and the grip is protective and non-slippery.

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