Amateur science related

• Amateur astronomy


• Amateur microscopy

• Chemical experiments (or kitchen chemistry)
  

• Fireworks


• Lasers


• Mass-Observation


• Physics demos or experiments


• Robots

(See also: The Amateur Scientist)

Animal-related

• Fancy (animal breeding) (keeping pet or show animals)


• Animal rescue (injured or orphaned wild or domestic animals)


• Bird watching


• Beekeeping


• Dog breeding


• Falconry


• Fishkeeping


• Herpetoculture


• Horses


• Hunting

Arts and crafts

• Altar art


• Beading


• Blacksmithing


• Calligraphy


• Collaging


• Cosplay


• Crochet


• Cross-stitch


• Dollhouses


• Doll making


• Drawing


• Embroidery


• Enamels


• Figure painting


• Glassblowing


• Jewellery making


• Knitting


• Leather crafting


• Origami


• Painting
  
  
  
  • Figure painting (hobby)
  
  
  • Tole painting
  
  
  • Watercolor
  
  
  • Splatter painting
  
  
  
  


• Papercraft


• Pottery


• Quilting


• Scrapbooking


• Sculpture


• Sewing


• Soapmaking


• Stained glass


• Stamping


• Warm glass


• Weaving


• Wood carving


• Woodworking


• Watches

Collecting

• Antiques


• Artwork


• Autographs


• Aviation archaeology


• Banknotes


• Baseball cards

• Beetles


• Books


• Bottles


• Business cards


• Butterflies


• Calendars


• Cameras


• Candlesticks

• Cards


• Conifer cones


• Bottle caps


• Christmas accessories


• Classic videogames


• Clocks


• Coasters


• Coins


• Comic books


• Crystals


• Currency


• Dice


• Die-cast toys


• Dumpster diving

• Enamels


• Fashion Design


• Feathers


• Fossils


• Found objects


• Fountain pens


• Guns


• Hats


• Jewelry

• Keychains


• Knives (pocket knives, hunting knives, kitchen knives)


• Lunchboxes


• Manga


• Matchcovers and matchboxes ("phillumenism")


• Microchips


• Militaria


• Miniature figures


• Moths

• Newspapers


• Patches


• Photographs


• Postcards


• Posters


• Quotes


• Recordings (Records, CDs, Cassettes)


• Rocks and Minerals


• Scale models


• Salt and pepper shakers


• Shopping lists


• Souvenirs


• Spoons


• Stamps


• Stickers


• Swords

• Teddy bears


• Thimbles


• Trading cards (such as baseball cards)


• Treasure hunting (possibly using metal detectors)


• Watches and Clocks


• Yardsticks

Computer-related

• 3D computer graphics design


• Animation design


• Computer games


• Computer programming


• Distributed computing projects
  
  
  
  • Open source and the free software movement
  
  
  • Competitive programming - e.g. ACM International Collegiate Programming Contest or TopCoder
  
  
  
  


• Operating systems, e.g. GNU/Linux


• Image editing (with Adobe Photoshop for example)


• Retrocomputing


• Modding / case modding

Cooking

• Baking


• Barbecue (Grilling)


• Beer making


• OpenCola

DIY (Do It Yourself)

• Home Repairs


• Interior Design


• Logging Inventing ideas


• Lock picking


• Low-tech


• Spud gun

Electronics

• Amateur radio


• CB radio


• Circuit bending


• DIY audio


• Designing and building electronic circuits


• Hardware hacking


• TV and FM DXing


• Home theater

Film-making

• Animation


• Short movies

Games

• Board games
  
  
  
  • Backgammon
  
  
  • Checkers
  
  
  • Chess
  
  
  • Carrom
  
  
  • Chinese Checkers
  
  
  • German board games
  
  
  • Go
  
  
  • Monopoly
  
  
  • Pente
  
  
  • Risk
  
  
  • Rummikub
  
  
  • Tournament Scrabble
  
  
  • Stratego
  
  
  
  


• Card games
  
  
  
  • Bridge
  
  
  • Cribbage
  
  
  • Gin rummy
  
  
  • Poker
  
  
  • Trading Card Games/Collectible Card Games
  
  
  • euchre
  
  
  
  


• Dominoes


• Fantasy sports


• Role-playing games


• Video games


• Wargaming, sometimes with miniatures

Historical reenactment

• Ancient reenactment (See also: List of ancient reenactment groups)


• Dark Ages reenactment


• Early Medieval reenactment


• High Medieval reenactment


• Renaissance reenactment


• Jousting


• English Civil War reenactment


• Modern reenactment


• North America Fur Trade reenactments (known as "Rendezvous")


• French and Indian War reenactment


• American Revolutionary War reenactment


• Napoleonic war reenactment


• Franco-Prussian War reenactment


• American Civil War reenactment


• Wild West reenactment


• Cowboy action shooting


• World War II

Interactive fiction

• Collaborative fiction


• Gamebook


• Interactive storytelling


• Role-playing game


• Sopranos episode reenactment (Has become increasingly popular in upstate New York. Substantive link required.)

Internet-based hobbies

• Beboing


• Blogging


• BookCrossing


• Currency bill tracking


• Facebooking


• Geocaching


• Google whacking


• GPS drawing


• MSN


• MySpace


• Newsgroups


• StumbleUpon


• Trolling


• Wikipedia


• World Wide Web


• Yahoo Answers


• Friendster

Literature

• Constructed languages (conlanging)


• Geofiction, including model nations


• Learning foreign languages


• Reading and bibliophilia


• Writing

Model (scale model) building

• Live steam models

• Coating, Adhesives, Sealants, Paint Brushes and Equipment
  

• Matchstick models


• Military models


• Model aircraft


• Model cars, including radio-controlled cars


• Model commercial vehicles


• Model engineering (Machining)


• Model houses


• Model figures


• Model military vehicles


• Model nations


• Model railways/railroads
  
  
  
  • Backyard railroads
  
  
  
  


• Model rockets


• Model ships


• Model yachting

Music

• Musical composition and MIDI composition


• Singing and playing musical instruments


• Songwriting

Observation

• Amateur astronomy


• Bird watching


• Geyser gazing


• Horoscopes


• People/crowd watching


• Transportation spotting (see below)

Outdoor/nature activities

• Airsoft


• Backpacking


• Birdfeeding, birding, and birdwatching


• Bouldering


• Buildering or urban climbing


• Butterfly watching


• Camping


• Caving


• Canoeing and kayaking


• Fishing


• Gardening (forest gardening, organic gardening, wildlife gardening, bonsai, and permaculture)


• Geocaching


• Ghost Hunting


• Hacky Sack/footbag


• Hiking


• Historical Trekking


• Horse riding


• Hunting


• Kite flying


• Laser skirmish


• Letterboxing


• Mountain climbing


• Nudism


• Paintball


• Rafting


• Rock climbing


• Rockhounding (rock and mineral hunting/collecting)


• Ice Skating


• Plinking


• Sailing


• Sight seeing


• Skiing


• Snowboarding


• Survival Camping


• Stone skipping


• SCUBA diving


• Traveling


• Treasure hunting (possibly with metal detectors)


• Urban Exploration


• Walking

Performing arts

• Amateur theater


• Dancing


• Juggling


• Magic tricks


• Singing

Photography

• Astrophotography


• Darkroom work (developing and printing photographic film)


• Kite aerial photography

Sports / physical activities

• Aerobics


• Archery


• Badminton


• Baseball, softball, and rounders


• Basketball


• Bowling


• Boxing


• Cheerleading


• Cricket


• Cycling


• Dance


• Flying


• Freshwater and saltwater fishing, including fly fishing


• Fencing/Historical Fencing


• Football


• Football (soccer)


• Free Running


• Gliding


• Golf


• Hanggliding


• Hunting


• Ice skating


• Kitesurfing


• Lacrosse


• Martial arts


• Paintball


• Parkour


• Racquetball


• Ringette


• Rowing


• Running, Jogging


• Sailing


• Shooting rifles, pistols, and shotguns


• Surfing


• Table tennis


• Tae Kwon Do


• Tennis


• Ultimate


• Volleyball


• Weight lifting


• Skating


• Swimming


• Skiing


• Snowboarding


• Yachting


• Yoga


• Soccer

Toys of some sophistication

• LEGO, including Brikwars, and Lego Mindstorms


• Radio control toys


• Erector Sets

Transportation

• Automobiles:
  
  
  
  • Antique cars
  
  
  • Auto detailing
  
  
  • Autocross
  
  
  • Kit cars
  
  
  • Motorcycles
  
  
  • Mopeds
  
  
  • Scooters
  
  
  • Motorsports (auto/motorcycle racing)
  
  
  • Off-roading
  
  
  • Rallying
  
  
  • Trucks
  
  
  
  


• Enthusiasm
  
  
  
  • Railfan
  
  
  • Roadgeek
  
  
  • Metrophile
  
  
  
  


• Gongoozler (people who watch canals in the United Kingdom)


• Transport spotting
  
  
  
  • Aircraft spotting
  
  
  • Bus spotting
  
  
  • Train spotting