• [+] Hobbyists (9 C, 2 P)

A

• [+] Admiration of foreign cultures (1 C, 25 P)
• [+] Airsoft (1 C, 32 P, 1 F)
• [+] Amateur sport (5 C, 4 P)
• [+] Amateur theatre (2 C, 4 P)
• [+] Arts and crafts (14 C, 75 P)

B

• [+] Bell ringing (38 P, 1 F)
• [+] Bird feeding (13 P)
• [+] Breeding (6 C, 47 P)

C

• [+] Cat fancy (1 C, 10 P)
• [+] Collecting (18 C, 122 P)
• [+] Comics (21 C, 5 P)
• [+] Cooking (14 C, 25 P)
• [+] Cosplay (24 P)

D

• [+] Debating (11 C, 40 P)

E

• [+] Exercise (22 C, 173 P, 1 F)

F

• [+] Fandom (15 C, 109 P)
• [+] Fishkeeping (18 C, 122 P, 2 F)

G

• [+] Games (47 C, 1 P)
• [+] Gastronomy (8 C, 7 P)
• [+] Genealogy (19 C, 98 P, 2 F)

H

• [+] Historical reenactment (6 C, 9 P)
• [+] Home improvement (3 C, 12 P)
• [+] Homebrewing (23 P)
• [+] Horticulture and gardening (27 C, 188 P)

J

• [+] Juggling (5 C, 27 P, 2 F)

K

• [+] Kites (1 C, 54 P, 1 F)

L

• [+] Lasers (11 C, 97 P, 1 F)

M

• [+] Hobby magazines (2 C, 19 P)
• [+] Magic (illusion) (11 C, 55 P)

M cont.

• [+] Militaria (1 C, 8 P)

O

• [+] Observation hobbies (2 C, 12 P)

P

• [+] Performing arts (31 C, 123 P)
• [+] Pets (8 C, 50 P, 1 F)
• [+] Photography (26 C, 63 P)

R

• [+] Radio hobbies (1 C, 22 P)
• [+] Radio-controlled aircraft (2 C, 67 P)
• [+] Reading (9 C, 91 P)
• [+] Recreational fishing (8 C, 50 P)
• [+] Robotics (17 C, 210 P)
• [+] Hobbyist robots (18 P)

S

• [+] Scale modeling (16 C, 70 P, 3 F)
• [+] Sports (50 C, 1 P)

V

• [+] Vexillology (3 C, 61 P)

Y

• [+] Yo-yos (8 P)

• List of freshwater aquarium fish species
• List of freshwater aquarium invertebrate species
• List of freshwater aquarium plant species
• Hobby
• List of marine aquarium fish species
• List of aquarium diseases
• Reef aquarium
• Protein skimmer
• Reef safe
• Marine aquarium
• Airstone
• Tropical fish
• Hardy fish
• Berlin Method
• Flowerhorn cichlid
• Community aquarium
• Coldwater fish
• Fishkeeping
• Spawning triggers
• Deep sand bed
• Feeder fish
• Substrate (aquarium)
• Julian Sprung
• Dither fish
• Disease in ornamental fish
• Fish dropsy
• Calcium reactor
• List of freshwater aquarium amphibian species
• Algae eater
• Aquarium fish clubs
• Herbert R. Axelrod
• List of brackish aquarium fish species
• Filter (aquarium)
• Heater (aquarium)
• Aquarium fish feeder
• Bath treatment (fishkeeping)
• Freshwater aquarium
• Aquarium Fish International

cont.

• Aquarium lighting

• Infusoria
• Live rock
• Painted fish
• Takashi Amano
• Fish food

A

• Amateur astronomy
• Amateur telescope making
• Aquarium
• Aquascaping
• Audiophile
• Avocation

B

• Backyard railroad
• Beekeeping
• Blackhawk Films
• Brickfilm

C

• Capping (Mystery Science Theater 3000)
• Chambers stove
• Change ringing software
• Coin magic
• Currency bill tracking

D

• Dumpster diving

E

• East Yorkshire Family History Society
• Electric football
• Electronic kit

F

• Facet
• Faceting machine
• Field recording
• Figure painting (hobby)
• Fingerboard (skateboard)

G

• Geocaching

H

• Hobby store
• Home movies
• Homebuilt

K

• Knitting clubs

L

• LENCO Turntables
• Lapidary
• Lapidary clubs

L cont.

• Letterboxing
• Live steam
• Lock picking
• Locksport

M

• Magic Youth International
• Method ringing
• Mine exploration
• Model building

O

• Oenophilia
• The Outdoor Book for Adventurous Boys
• Overclocking

P

• Plamo
• Practical joke

R

• Railfan
• Ral Partha Enterprises, Inc.
• Roadgeek
• Rock balancing
• Rock polishing
• Rubber band ball

S

• Scoubidou
• Skoolies
• Snow fort
• Snowball
• Soaper
• Society of Cambridge Youths
• Society of Young Magicians
• Substrate (vivarium)

T

• Taphophilia
• The Open Organization Of Lockpickers

U

• University of London Society of Change Ringers
• Urban exploration
• Urban lumberjacking

V

• Velology
• Videophile
• Vivarium

W

• Waymarking
• World Wide Knit in Public Day