Top 9 Best French Door Locks

Double doors with handles can be a weak point if not properly secured, especially in high-traffic or vulnerable areas. Many plastic locks fail under pressure or wear out quickly.

The ROZEKEAN French Door Security Bar Lock features an all-metal, die-cast aluminum alloy construction for maximum durability and load-bearing strength. It's best for those who want a long-lasting, tamper-resistant lock for French doors, barn doors, or gates with round or lever handles.

• Die-cast aluminum alloy build: Superior strength and longevity
• Adjustable sliding lock bar: Fits various handle spacings
• 1-1/2" opening for most knobs/levers: Broad compatibility

Compared to plastic or lighter-duty options, this lock is built for serious, long-term use. It prioritizes durability and handle compatibility, but may not suit those seeking a simple latch or keyless entry.

Keeping cabinets and French doors secure from curious children and pets is a common concern in busy households. Simple, tool-free locks can make a big difference in safety and peace of mind.

SPISPI U-Shaped Child Cabinet Locks provide a fast, no-drill solution for babyproofing. These are best for parents or caregivers who need to secure cabinets or double doors quickly without permanent installation.

• Tool-free installation allows setup in seconds with no drilling or adhesives
• Space-saving design keeps rooms tidy and uncluttered
• Fits handles up to 7.3 inches apart for flexible use on cabinets and some French doors

Unlike permanent locks, these are easy to remove and reuse, prioritizing convenience and speed. However, they are not suited for heavy-duty security or wide door gaps.

Double doors with varying handle distances can be tricky to secure, especially if you want a lock that adapts to different setups. A flexible, sturdy lock is essential for both home and portable use.

The BLMHTWO Metal Double Door Lock offers 11 adjustable levels, making it a versatile option for doors, gates, patios, and more. It's well-suited for those who need a lock that can handle different widths and is easy to install or remove.

• 11 adjustable locking positions fit door spacings from 2.56 to 6.89 inches
• High-quality alloy construction provides durability and load resistance
• Simple installation with a key-operated latch for added security

Compared to fixed-size locks, this model prioritizes adaptability and ease of use. The tradeoff is that it may be bulkier than minimalist options.

Many homeowners want a secure lock for French doors that doesn't require drilling or complex installation, especially for quick childproofing or temporary security. Tool-free options are especially valuable for renters or frequent movers.

The LABALABALA Adjustable French Door Lock delivers fast setup—just clip it onto both knobs in under five seconds. It's best for those who want reliable security without permanent changes to their doors.

• No tools or drilling needed for rapid, damage-free installation
• Solid aluminum construction with reinforced core for strength
• Universal fit works with standard and wider commercial double doors

Compared to locks that require screws or adhesives, this model prioritizes speed and simplicity. The tradeoff is that it may not offer the same level of customization as adjustable-bar designs.

Sliding and barn-style French doors often need a straightforward latch to keep them secure. A simple, corrosion-resistant latch is ideal for bathrooms, closets, or pet enclosures where ease of use matters most.

The INIRET Stainless Steel Barn Door Latch Set offers a basic but effective locking solution that installs quickly with included screws. It's perfect for those who want a low-profile, easy-to-clean latch for wood doors or furniture.

• Stainless steel construction resists rust, scratches, and daily wear
• Rotating two-part design allows for quick, secure locking
• Includes screws for installation so you have everything needed in the box

Compared to more complex locks, this latch prioritizes simplicity and ease of installation. The tradeoff is less adjustability for non-standard door setups.

Securing the inactive leaf of a double door is crucial for overall stability and safety. Flush bolts provide a discreet way to lock French doors without altering their appearance.

Sumnacon 6 Inch Stainless Steel Door Bolts are designed for concealed installation, making them ideal for homeowners who want extra security without visible hardware. They work well for composite, patio, or wood double doors.

• Solid stainless steel build offers corrosion resistance and strength
• Automatic holding spring keeps the bolt in place for reliable security
• Integrated lever design provides smooth, comfortable operation

Compared to surface-mounted locks, these bolts prioritize aesthetics and hidden security. The tradeoff is that installation may require more effort and precise placement.

Parents and caregivers often need a flexible, damage-free way to childproof cabinets and some French doors, especially when traveling or renting. Portable strap locks are a convenient solution for temporary safety.

KisCords Baby Safety Cabinet Strap Locks are easy to install and remove, making them ideal for travel, grandparents' homes, or rental properties. They are best for round knobs up to 5 inches apart and provide a non-permanent childproofing option.

• No tools or adhesives required for instant, residue-free setup
• Fits round knobs up to 5 inches apart for targeted use
• Portable and reusable—great for travel or temporary needs

Compared to permanent locks, these straps prioritize portability and ease of removal. The tradeoff is limited compatibility with large or non-round handles.

Outdoor sheds and gates need locks that can withstand harsh weather and resist tampering. Standard latches often rust or fail after a season, leaving your shed vulnerable.

The Alise 4 Inch Flip Latch Gate Latch is built from SUS304 stainless steel with a matte black finish, offering superior durability and anti-theft protection. It's a strong pick for homeowners seeking a long-lasting solution for barn doors, gates, or French doors exposed to the elements.

• SUS304 stainless steel construction: Resists rust and corrosion outdoors
• Chamfered edges and thickened material: Enhances longevity and safety
• Countersunk mounting holes: Allows for secure, easy installation

Compared to lighter-duty latches, this model is designed for maximum outdoor resilience. It prioritizes durability over advanced locking features, so it may not suit those seeking a key or combination lock.

For those seeking a discreet yet secure way to lock double doors, a flush bolt with a modern finish is ideal. These are especially useful for inactive door panels where aesthetics matter.

The Ceoighe 7 Inch Flush Bolt offers a heavy-duty brass construction with a black plated finish, blending security with style. It's best for homeowners who want a concealed lock that complements modern decor.

• Solid brass with black plating provides durability and corrosion resistance
• 7-inch length fits a range of door sizes and adds stability
• Concealed lever design offers a sleek, unobtrusive look

Compared to surface latches, this flush bolt prioritizes appearance and hidden security. The tradeoff is that installation may be more involved and requires precise alignment.