While I'm currently in a bit of a funk and having trouble actually doing most of my hobbies, an obvious one is video games. I play a decently wide assortment of games depending on how I'm feeling, but tend to like games that are easy to just pick up and play for a little while at a time without a ton of preamble.
I also like studying Japanese and have been trying to teach myself the language for years now. Still nowhere near fluent, but if given time I can communicate decently well via text. I just have to rely a lot of dictionaries and such to make sure I'm conveying what I intend.
I also draw, and would like to draw more often. In the past I drew all the time, but I feel like social media and the breakdown of my friend groups has zapped a lot of the motivation I once had, and I'm also trying to wrap up a very art-heavy project which has made it hard to just sit down and doodle (I struggle to work on non-project artwork whenever I have a bigger project hanging over my head, unless I want to sneak in something that has a deadline).
Something I want to get more into is gardening. I have all these things that I'd like to do, to grow a bunch of native plants and generally make a habitat for pollinators, but there's a lot of work I need to do to get the ball rolling on that (landscaping, mostly) and my focus and energy issues made it too hard to accomplish last year. This year, I'm hoping I can actually grow some things.