Yes, Bearded dragons can eat kiwi. Fresh kiwi is a great source of Vitamin C, but it also comes with a high amount of oxalates, which can bind calcium. That is why it should only be given to them on an occasional basis.
Kiwi has a good calcium to phosphorous ratio so; it’s perfectly safe to feed it to your bearded dragon but, as with other foods, should be given in moderation and with a mix of other food. It is recommended to feed your bearded dragons kiwi only twice a month.
What about Kiwi seeds? Can bearded dragons digest the kiwi seeds?
Can Bearded Dragons Eat Kiwi Seeds?
Since bearded dragons can eat cactus as a staple, that has bigger seeds as compared to kiwis. If they can digest cactus seed, they will be fine with kiwis as they have small seeds.
Here is a complete list of food bearded dragons can eat