This post may contain affiliate links. Please read our disclosure for more info.
Adult birthday is a great time to celebrate friendships, indulge in a favorite hobby or activity with friends and family, relax and be celebrated. If you’ve got an adult birthday coming up, here are some adult birthday party themes and ideas that will make the day memorable.
How to Choose an Adult Birthday Party Theme
Picking a theme for birthday party for adults is one of the most fun parts of planning the event. It could be as simple as choosing a color scheme for decorations or dressing up in costumes for the event. You could even name drinks after each year of your life and have guests try them all! Your theme could also be something like “decade” parties where everyone dresses up from a specific decade or goes on a trip to somewhere new. Whatever theme you choose to go with just make sure you have fun!
Ready to get the party started? Here are the best adult birthday party themes and ideas.
Best Adult Birthday Party Themes and Ideas
1. Host a dinner party

Hosting a dinner party or throwing a cocktail party can be a great idea for an adult birthday celebration. Getting together with your close friends and family is the best way to make it unique. It would help if you had good food, drinks, and a fun atmosphere.
Gather some recipes for your favorite dishes and pick out a few new ones to try. You can also have your guests bring their favorite dish. We suggest keeping the menu simple so that you don’t get overwhelmed in the kitchen.
If you’re going to throw an adult birthday party at home, decorate your house! You don’t have to go crazy, but adding some streamers or balloons can make it feel more festive. If you want to go all out, you can even put up some lights or paper lanterns in your backyard. A little extra effort goes a long way, so even if it’s just a few touches here and there, your party will feel more special.
2. Have a movie marathon at home
That is one of the best adult birthday party ideas for movie buffs. If you want to celebrate your birthday with your best friends, you can make it a movie party. You can take suggestions from your friends and compile a list of movies that you all would enjoy watching together. You will have a good time celebrating your birthday with your friends even if you do not go out.
3. Build a bar
You can have a birthday bar providing liquor and cocktail for everyone, you can also ask your friends to bring the liquor they like or the cocktail they prefer. You can prepare some snacks and have everyone over to chill at your place on your birthday. It is one of the easiest adult birthday party themes. If you are a wine lover, you can also consider throwing a wine tasting party
4. A high tea
If you would like to have an elegant birthday party, then invite guests over for high tea and some sweet treats. Ensure some of the teas are organic and fair trade certified to please everyone’s tastes and preferences.
5. Painting party theme

A Painting party is an excellent choice for an adult birthday party theme. You can host it yourself or hire an instructor to teach everyone how to paint. It’s a fun activity, and each guest will leave with a beautiful piece of artwork they created. The great thing about hosting a painting party at home is that there are plenty of options. You can host the painting party in your own home or go out to a local pub, restaurant, or winery.
6. The Margherita party
Plan a birthday with a theme inspired by the classic Italian dish for a genuinely festive fete. Start with a pizza-shaped invitation that sets the tone for your party. Serve your favorite beverages and keep the food simple but fun. We love the idea of creating mini pizzas as well as serving up pasta dishes in small bowls as appetizers.
Decorate your space with brightly colored balloons and place settings featuring whimsical napkin rings. For dessert, slice up a homemade pie or serve up tiny cake pops topped with sprinkles and green frosting to look like olives.
7. Plan an active day
Another great adult birthday party idea is having an active day. It can be as simple as hiking or having a great day at the bike park. To plan an active day party, first and foremost, pick your park. If you can find a spot that features different challenges, different skill levels, and different types of terrain, you’ll keep everyone happy, just make sure everyone is on the same page on the goal of the day!
If you’re meeting up with friends from all over town, choose a location with easy access and amenities such as restrooms, food, and water. This will help make sure everyone has an enjoyable experience. If there are multiple trailheads nearby, try parking one car at each, so it’s easier for people to ride back to their vehicles when they’re done.
The best way to avoid waiting for people is by getting started before most of the crowds arrive. If you can’t meet up early then you can consider staying late.
8. The letter birthday party theme
Theme parties can be a lot of fun. They allow you to go all out and create a truly unique atmosphere. Consider choosing a letter as your theme. For example, if you’re turning thirty, invite guests to dress up as something that starts with the letter “t.” Or, if you’re having a surprise party for someone else, choose a letter that begins their name and let guests know what they have to wear when they RSVP. It is a great way to spotlight the guest of honor while also having fun with everyone else who’s attending the party.
9. Host a BBQ

Hosting a barbecue is an easy way to have a good time with friends and family. When it comes to food, the sky’s the limit; burgers, steaks, brats, and veggies are all great choices. You can even combine your barbecue with another idea on this list, smoke some meat, or make homemade pizza in a wood-fired oven. If you’re feeding a large crowd, consider getting burgers and brats pre-made at your local deli or butcher shop. That’ll save you time when it comes to prep work.
10. Plan a picnic party
Planning a picnic birthday party for adults can be fun, even if you’ve never done it before. You’ll have a great birthday party that everyone will enjoy with some planning. The first thing to consider is the size of the group. You can plan an outdoor party for hundreds of people, but keep in mind that you may need to get permits, especially if you’re using a public park or other space. If your guest list is smaller than 50 people, you can probably get away with planning the picnic in your backyard. Selecting a theme for your picnic birthday party takes the planning process to a new level. It helps you narrow down ideas and makes everything easier!
11. Have a jewelry party
This adult birthday party theme is fun, easy, and very affordable. You can do it at home or in a close place to your house. It is a great way to spend time with friends while learning to create beautiful jewelry pieces. The first thing you will need to do is decide where you want the party to occur. You can have it in your own home or at another location such as a school or community center. If you choose a site close to your house, you will want to make sure that you have enough space for all of the guests and equipment needed for the event.
Next, decide how many people you want to invite and how long they will be allowed to stay. It will help determine how much food and drink should be provided and how much money to spend on party supplies. Once everyone has arrived, set up tables with each person’s name so that everyone knows who will be attending and who won’t be there when the party starts. Now it’s time to get started! The first thing that needs to be done is set up your table with some basic materials such as beads, wire, clippers, and pliers so that everyone can make their jewelry piece. You can give people the freedom to create whatever they want or have an instructor that guides people on how to make the jewelry pieces.

There you have it! Easy adult birthday ideas and themes. You can leave a comment below letting us know which theme idea you like best and also if there is any idea you think we have missed you can let us know!
Shop Products