Right now I don't have much.
22lr- because everyone should have one. My kids learn on them and they are best for squirrels.
.223Rem-In my state this is the most practical centerfire rifle round to have. Ammo is available, good for varmints and nice to start kids out for a "big" gun. My daughter owns one too.
.257Roberts- It was the first centerfire rifle I ever fired. It finally came up for sale and I paid WAY too much to get it. I have dropped 'yotes with it, but it isn't legal for deer here. I like the Mauser action too so it will stay long after I have shot out the barrel.
.410- I would like to say it is just for my daughters, but it is fun even for me to blast some rodents with. Primarily my oldest daughter's deer gun when her bow fails her.
20ga- My deer gun a rifled barrel, bipod, scope, and 200yds of range give this thing rifle like abilities. Farthest kill so far ranged at 162yds. Of course, my younger daughter uses one of these too.
I want to add to this list, but marriage and kids cuts into the budget and justifying more guns isn't easy. I plan to add a couple more though- for the kids, of course.