10 Best Fish Fillet Knives 2025 in the United States

The Mercer Culinary M23860 Millennia fillet knife is designed with high-carbon Japanese steel, ensuring easy edge maintenance and long-lasting sharpness. The 8.5-inch blade length is an ideal size for filleting meat, making it suitable for both professional chefs and home cooking enthusiasts who need to remove flesh from bones seamlessly.

The narrow blade design enhances precision. The ergonomic handle, constructed from Santoprene, features textured finger points for a non-slip, comfortable grip, enhancing safety and durability during usage. Weighing just 4.6 ounces, the knife is lightweight, reducing hand fatigue during prolonged use.

Care must be taken to hand wash this knife and avoid dishwashing to maintain its quality and longevity. This knife offers a mix of quality craftsmanship and thoughtful design, making it a reliable tool for filleting tasks.

The Dalstrong Fillet Knife from the Gladiator Series Elite boasts a 7-inch flexible high-carbon German steel blade, making it highly effective for precise filleting tasks. The blade's flexibility allows it to contour smoothly along bones, ensuring clean cuts without tearing the meat. With a hand-polished edge sharpened at 16-18 degrees per side, it promises exceptional sharpness and longevity.

The knife's full-tang construction enhances durability and balance, while the 56+ Rockwell hardness rating ensures a good blend of strength and flexibility. The G10 Garolite handle is triple-riveted, offering a comfortable and secure grip, even in busy kitchen environments. It is also laminated and polished for a sanitary finish, making it suitable for professional use. At 6 ounces, the knife is lightweight, reducing hand and wrist fatigue during prolonged use.

Despite its many strengths, it is worth noting that the knife is not dishwasher safe, requiring hand washing to maintain its quality. Additionally, while the knife comes with two sheaths for protection, some users might find the extra blade length less suited for smaller filleting tasks. Its premium materials and craftsmanship come at a higher price point, which might not suit all budgets. This knife is especially beneficial for serious cooks and professionals who value precision, comfort, and durability in their kitchen tools.

The HOSHANHO 9-inch fillet knife is designed especially for precision work like filleting fish, but it also handles other meats well. Its blade is made from high-quality Japanese high carbon stainless steel, which keeps the edge sharp for longer and resists rust, so it stays reliable over time. The 9-inch length gives you enough blade to smoothly cut through fish bones and flesh, while its thin and flexible blade makes it easier to follow the natural curves of the fish, resulting in cleaner cuts and less waste.

The handle is made from pakkawood, a sturdy and water-resistant material that offers a comfortable, ergonomic grip to reduce hand fatigue during longer use. Weighing about 1 pound, the knife feels balanced and light enough to control easily but has enough heft to make cutting efficient. One thing to note is that it’s not dishwasher safe, so hand washing is needed to maintain the blade and handle quality.

This knife represents a solid choice for anyone looking for a professional-style fillet knife that combines sharpness, flexibility, and comfort for everyday kitchen use.