Hi Barb, yes, you certainly can. Here's a video showing how. There are also many other tutorials on the internet. Just google your question, or better yet, at Hometalk's home page, in the area "what's your next project" enter the question and you'll see info right here on Hometalk.
Thanks so much!
Hi Barb. Here are some great pictures and instructions/posts about how to do it. https://www.hometalk.com/search/posts?filter=painted%20countertops
Yes, I just painted mine! You can see it here: https://thehoneycombhome.com/transform-your-bathroom-with-sink-paint/
Thank you! It was very helpful!