There is a lot of debate among animal behaviourists about this but most agree that no, dogs can't laugh. At least not in the sense that humans can laugh. However, dogs can make a sound that is similar to a laugh, which they typically do when they are playing. It's caused by a breathy panting that's forcefully exhaled.

Do dogs have a way of laughing?

Dogs are also capable of laughing, and they typically do so when they are playing. Canine laughter begins with the doggy equivalent of smiling but also includes a sound that is much like panting. ... On analyzing the recordings, she found that they involved a broader range of frequencies than regular dog panting.

Do dogs think they're funny?

Studies have shown that dogs communicate their humor and emotions to babies, making them giggle. Absolutely, the capacity to find humor and to think things are funny will be found in your playful best friend.