You’ll be pleased to hear the answer is yes! and also no. It completely depends on what type of kayak you have, what the damage is and where it is on the inflatable kayak.
There are two types of inflatable kayak, those with a nylon outer skin and a PVC inner bladder, and those with a duratex or a similar, super tough outer shell that also contains the air.
For the first one, if you find that one of your bladders is deflating, then these can easily be replaced and are quite inexpensive in relation to the full kayak. Whether it’s the left, right or floor bladder, you can purchase them quickly, change them over and be back on the water in no time! You can get your replacement bladder HERE.
If your kayak is made of duratex or a similar material and you have a tiny hole in the hull, then some glue will fix the problem once you have cleaned and dried the kayak. Once applied, make sure you let it dry for the recommended amount of time on the packaging before using.
If you have a larger hole in your duratex, say larger than a pin hole, then a patch would be needed to fix your kayak. Again, make sure your kayak is clean and dry and then follow the instructions on the repair kit so you can be back on the water in no time.
However, something like a large tear in the hull from being dragged across uneven ground, or a split seam from over inflating, will be hard to repair or possibly unfixable.