You could have a few, but if you go over board then you may not be to happy with the results. I suggest 2 at the max, one Male, One Female. But You can choose, what ever you may do though, choose wisely. You wouldn't want to end up making any mistakes on how many you have, or accidentally doing something completely stupid with it and end up making a new one like I did. But Just have fun! Make sure they are like you also, after all, they are your fursona(s).

well,you could have as many fursonas as you like^^ i have three,but it`s not like i have 7 or 8 or 100! One wolfdog fursona,two dog fursonas. so,like everyone else here said,you can have any number of fursonas you`d like,as long as it`s not to many^^

Well, tecnically its up to you. Like Sakujo said, a fursona represents you, as a dog/wolf/wolfdog.
You can have lots of frequently used chars, and some that you like more than others, but don't have too many fursona's, because that is saying "Hey, I have 7 versions of myself!"

I hope that helped!

I have a couple fursonas, lik, 2 or 3 ^^ but I guess as long as you have like "the one" fursona you use above all others, that`s okay

Fursona is your "fur self" the representing you instead of drawing yourself as a human. I guess you are only one person so fursona should be only one too, but as Dollyshewolf, I've met a person who had 2 fursonas.

well a lot of people have only 1 but there isn't really a rule as lots of people I know have 2 or 3 so as many as you like as long as you don't go mad and have like 100 fursona's.