Toastmasters!
Welcome to Toastmasters International where we are"Making Effective Communication a Worldwide Reality"
Find a club near you and check them out. You can attend as a guest to find the club that you like best.
I joined Toastmasters earlier this spring and am enjoying it immensely and learning so much about public speaking. I used to fear it and now I don't. I still don't love it, but I'm getting there and at least I"m past the fear.