10 Best Fishing Knives 2026 in the United States

The KastKing Speed Demon Pro Lithium-ion Electric Fillet Knife is a high-quality fishing knife designed for efficiency and ease of use. It features a powerful high-torque motor that makes filleting quick and smooth, regardless of the fish size or species. The knife includes 420 stainless steel blades with a titanium Vapor Deposition coating for durability and corrosion resistance. The pack comes with four different blades (7" and 9" Finesse blades, 9" Talon blade, and 12" Talon blade), providing versatility for different filleting needs.

The ergonomic Thermoplastic Elastomer (TPR) handle ensures a firm, non-slip grip, reducing hand fatigue during extended use. One of the standout features is its extended battery life; the 12.6v lithium-ion battery provides up to 1 hour and 40 minutes of continuous runtime, and the pack includes two batteries for uninterrupted use. The custom-molded EVA carry case is a convenient addition, making it easy to store and transport the knife and its accessories.

Users will appreciate the power level display and overcharge protection features that ensure battery safety and longevity. However, the knife's weight (4.07 pounds) might be a bit heavy for some users, and its larger size (16.5 inches in length) may not be ideal for those looking for a more compact option. This knife is best suited for avid anglers who require a reliable, high-performance fillet knife with the convenience of cordless operation.

The KastKing Bait Knife and Fillet Knife with a 9-inch blade is a versatile tool designed for various fishing and food prep tasks. The blade is made from G4116 German stainless steel, known for its sharpness and durability, making it effective for both fresh and saltwater applications. The non-slip super polymer grip ensures safety and comfort during use, which is essential for handling slippery fish.

It comes with a protective sheath that securely locks the knife, with drainage slots to keep the blade dry and sharp. This thoughtful design enhances both safety and maintenance. Users have praised its sharp edge and flexibility, making it suitable for filleting fish of different sizes and for steaking large game fish like salmon and tuna.

While the stainless steel handle is durable and easy to clean, it may not be as comfortable for prolonged use compared to softer materials. The knife is also lightweight, which can be both a benefit and a drawback depending on personal preference. Another consideration is that the knife is hand wash only, requiring extra care to maintain its condition. If you need a reliable and sharp fillet knife for fishing and food preparation, the KastKing Bait Knife and Fillet Knife is a solid choice, although you may want to consider how the handle material aligns with your comfort needs.

The Buck Knives 102 Woodsman is a solid choice for anyone looking for a reliable fixed blade hunting or fishing knife. It features a 4-inch clip point blade made from 420HC stainless steel, which is known for its good balance of sharpness, durability, and resistance to rust – important when working around water or outdoors. The blade is full tang, meaning the metal runs through the entire handle, giving it strength and balance. The handle itself is made of phenolic material shaped to fit comfortably in your hand, providing a good grip even in wet conditions. It also includes a finger guard and thumb ridges, which help with precision and safety during use. A nice touch is the genuine leather sheath that comes with the knife, making it easy and secure to carry on a belt. Weighing just 2.6 ounces, the knife is lightweight enough for extended use without causing fatigue.

On the downside, the blade length is somewhat modest at 4 inches, which might limit its effectiveness for larger cutting tasks. Also, the knife requires hand washing to maintain its quality, so it's not dishwasher safe. Since the manufacturer has discontinued it, finding new units might be challenging, but Buck's lifetime warranty indicates it's a trusted product.

This knife is well suited for outdoor enthusiasts who want a dependable, well-balanced tool for detailed cutting, whether fishing, hunting, or general outdoor use.