Most enthusiasts and collectors can be described as a … fan, fanatic, lover, enthusiast, nut, etc., or collector, besides these rarer and informal terms.
| Hobby/object of enthusiasm | Enthusiast |
| amateur radio | ham |
| arts | culture-vulture |
| ballet | balletomane |
| bees | apiarist |
| birds | birder |
| boating | boatie |
| books | bibliophile |
| cars /motorbikes | petrolhead / motorhead |
| cats | ailurophile |
| caves | speleologist |
| chocolate | chocoholic |
| climbing buildings | stegophilist |
| computers | propeller-head/Nethead |
| crosswords | cruciverbalist |
| dogs | canophilist |
| fashion | fashionista |
| films/cinema | cineaste/cinephile |
| folk music | folkie |
| gold | chyrosophilist |
| good food and drink | epicurean |
| Greece/Greek culture | philhellene |
| heavy metal music | headbanger |
| hi-fi | audiophile |
| horses | hippophile |
| horse racing | turfman |
| jazz | jazzbo |
| making money | breadhead |
| malt beer/whisky | malt worm |
| metal detection | detectorist |
| mushrooms | mycophile |
| music | melomane |
| oysters | ostreophage |
| parks | parkomane |
| pigeons | columbarian |
| photography | shutterbug |
| railway/trains | gricer |
| rockets | rocketeer |
| yachting | yachtie |
| sport | jock |
| Star Trek | Trekkie |
| television | televisionary |
| trees | dendrophile |
| tulips | tulipomaniac |
| wine | oenophile |
| words | logophile |
| Thing collected | Collector |
| antiquarian | antiques |
| anything | completist |
| autographs | autographizer |
| banknotes | notaphilist |
| beer mats | tegestologist |
| beetles | coleopterist |
| birds’ eggs | oologist/egger |
| book plates | ex-librist |
| butterflies | lepidopterist |
| cigarette cards/postcards | cartophilist |
| coins | numismatist |
| doll’s houses | miniaturist |
| early books | incunabulist |
| flies | dipterist |
| gramophone records | discophile |
| matchboxes or their labels | phillumenist |
| mineral specimens | rockhound |
| money boxes | argyrothecologist |
| old bond and share certificates | scripophilist |
| postcards | deltiologist |
| shells | conchologist |
| sightings of rare birds | twitcher |
| stamps | philatelist |
| teddy bears | arctophile |