Looking for cute yet practical interior cat door ideas for your home? We got you! From convenient ready-made cat door inserts to creative custom cat door inspiration from designers around the world, check out over 20 cute and creative interior cat door ideas below!
Ready-Made Internal Cat Door Inserts
Love to DIY? Check out these cute beginner-friendly internal cat door insert options which come complete with instructions and cutting templates for convenience.
Above: The Kitty Pass Interior Cat Door via Amazon (also available in XL)
Above: DIY Corner Cat Door via Kitty Korner
Above: Purrfect Portal Interior Cat Door via Amazon (2 sizes, & 3 colors available)
Above: Purrfect Portal Interior Cat Door via Amazon
Above: The Kitty Pass Wall Entry Cat Door via Amazon
Above: The Kitty Pass Interior Cat Door via UrWwhDogs (Etsy)

Above: Image and design via Pine Street Carpenters

Above: Photography by Christopher Stark, design and image via IDF Studio

Above: Design and image via Studio Miele
Custom Cabinetry Cat Door Ideas
For those with budget to spare, custom cabinetry for your kitty is another stylish option.

Above: Photography by Cathy Schusler, Architect: Lisa Breeze, via Clever

Above: Image via Walker Woodworking

Above: Image via Built-In Studio

Above: Image via Coats Homes

Above: Photography by Caitlin Mills, Styling by Beck Simon, via Maike

Above: Image and design by Ira via Design Dots

Above: Photography Barbara Kieboom, styling by Eva van de Ven, via vtwonen

Above: Photography by Alan Williams Photography, Architect: Platform 5 Architects, via Archilovers
More Ready-Made Cat Door Inserts
Looking for more cute ready-made internal cat door options? Check these out;
Above: The Cat Cave Kitty Door via Amazon (also available in black)
Above: CATHOLE Original Interior Cat Door via Amazon (available in wood or plastic, with a removable brush)
Above: Customizable Farmhouse Pet Door via AlexMeyxStuff (Etsy)
Clever Under Stair Internal Cat Door Ideas
When storage space is limited, it’s time to get creative! Just like the clever designers below;

Above: Photography by Melissa Gidney Photo, Design/Architect: Electric Bowery, via Rue Mag

Above: Photography by Shengning Zhang, Architects: Oliver Valle Office + Nous Studio, via Remodelista
Stylish Built-In Internal Cat Door Ideas
Custom-made and color-coordinated cat door goals!

Above: Photography by Nicole Franzen, Designer: Space Exploration, via Clever

Above: Photography by Mitsuhiro Kawamata, Design: Maki Mizuho, via Katazukeshuno

Above: Image and design via A Kitchen That Works LLC

Above: Image and design via Code Style
Temporary No-Cut Internal Cat Door Ideas
Finally, if you don’t want to cut any holes in your walls/doors, or are just looking for a temporary internal cat door solution, check out these budget-friendly alternatives;
Above: Door Buddy Adjustable Door Strap and Latch via Amazon
Above: FlexLatch Cat Door Holder Latch via Amazon
Above: TheDoorLatch Cat Door Stopper via Amazon