| FKM | FKM (musikgrupp) | Fkm* |
| FKP | FKP Scorpio | Fkpg |
| FKPR | Fkumen | FKUX |
| FL | FL Lyrae | FL Studio |
| FL studio | FL Virginis | Fl. |
| Fl. Hällzon | Fl. Mallius Theodorus | Fl. Manlius Theodorus |
| FL01 | FL02 | FLA Live Arena |
| Flaach | Flaach (kommun) | Flaaffy |
| Flaahgra | Flaajokull | Flaatindur |
| Flaçà | Flab 4 | Flabäck |
| Flabbskar | Flabbskär | Flabellaria |
| Flabellaria paniculata | Flabellariopsis | Flabellariopsis acuminata |
| Flabellidae | Flabelliderma | Flabelliderma commensalis |
| Flabelliderma essenbergae | Flabelliderma macrochaeta | Flabellidium |
| Flabellidium spinosum | Flabellifrontipoda | Flabellifrontipoda bravana |
| Flabellifrontipoda crameri | Flabellifrontipoda hadinoma | Flabellifrontipoda lacustris |
| Flabellifrontipoda ladilofa | Flabellifrontipoda mastigophora | Flabellifrontipoda reductipalpa |
| Flabellifrontipoda smithi | Flabellifrontipoda zelandica | Flabelligella |
| Flabelligella biscayensis | Flabelligella cirrata | Flabelligella erratica |
| Flabelligella mediterranea | Flabelligella mexicana | Flabelligella minuta |
| Flabelligella papillata | Flabelligena | Flabelligena amoureuxi |
| Flabelligena cirrata | Flabelligena erratica | Flabelligera |
| Flabelligera affinis | Flabelligera bicolor | Flabelligera biscayensis |
| Flabelligera bofortica | Flabelligera bophortica | Flabelligera claparedii |
| Flabelligera commensalis | Flabelligera diplochaitos | Flabelligera diplochaitus |
| Flabelligera essenbergae | Flabelligera gourdoni | Flabelligera grubei |
| Flabelligera haerens | Flabelligera idiura | Flabelligera induta |
| Flabelligera infundibularis | Flabelligera lingulata | Flabelligera marenzelleri |
| Flabelligera mastigophora | Flabelligera multipapillata | Flabelligera mundata |
| Flabelligera pennigera | Flabelligera pergamentacea | Flabelligera persimilis |
| Flabelligera picta | Flabelligera pruvoti | Flabelligera semiannulata |
| Flabelligeridae | Flabelligobius fourmanoiri | Flabelligobius latruncularia |
| Flabelligobius latruncularius | Flabelligobius smithi | Flabellimycena |
| Flabellimycena flava | Flabellina | Flabellina borealis |
| Flabellina cooperi | Flabellina engeli | Flabellina gracilis |
| Flabellina iodinea | Flabellina nobilis | Flabellina parva |
| Flabellina pedata | Flabellina pellucida | Flabellina pricei |
| Flabellina salmonacea | Flabellina trilineata | Flabellina trophina |
| Flabellina verrucosa | Flabellinidae | Flabellinopsis iodinea |
| Flabelliphilus | Flabelliphilus inersus | Flabelliseta |
| Flabelliseta incrusta | Flabellobasis | Flabellobasis capensis |
| Flabellobelba | Flabellobelba almeriensis | Flabellocladia |
| Flabellocladia gigantea | Flabellocladia tetracladia | Flabellogobius latruncularius |
| Flabellomicrosiphum | Flabellomicrosiphum knowltoni | Flabellomicrosiphum tridentatae |
| Flabellomorphus | Flabellomorphus longus | Flabellophora |
| Flabellophora aurantiaca | Flabellophora brevipes | Flabellophora cervinogilvum |
| Flabellophora deceptiva | Flabellophora fasciculata | Flabellophora flaviporus |
| Flabellophora inconspicua | Flabellophora intertexta | Flabellophora kinabaluensis |
| Flabellophora latiporus | Flabellophora nana | Flabellophora obovata |
| Flabellophora obtorta | Flabellophora ochracea | Flabellophora parva |
| Flabellophora squamosa | Flabellophora subsimplex | Flabellophora superposita |
| Flabellophora variabilis | Flabellophora velutinosa | Flabellopilus giganteus |
| Flabellopora | Flabellopora acuta | Flabellopora acutirostris |
| Flabellopora arculifera | Flabellopora asper | Flabellopora elegans |
| Flabellopora irregularis | Flabellopora lenticularis | Flabellopora lingua |
| Flabellopora pisiformis | Flabellopora planata | Flabellopora pusilla |
| Flabellopora tuberosa | Flabellopora umbonata | Flabelloprionus szechuanus |
| Flabellospora | Flabellospora acuminata | Flabellospora amphibia |
| Flabellospora crassa | Flabellospora irregularis | Flabellospora tetracladia |
| Flabellospora verticillata | Flabellum | Flabellum alabastrum |
| Flabellum angulare | Flabellum angustum | Flabellum aotearoa |
| Flabellum apertum | Flabellum arcuatile | Flabellum areum |
| Flabellum atlanticum | Flabellum australe | Flabellum campanulatum |
| Flabellum chunii | Flabellum conuis | Flabellum curvatum |
| Flabellum daphnense | Flabellum deludens | Flabellum flexuosum |
| Flabellum floridanum | Flabellum folkesoni | Flabellum gardineri |
| Flabellum hoffmeisteri | Flabellum impensum | Flabellum japonicum |
| Flabellum knoxi | Flabellum lamellulosum | Flabellum lowekeyesi |
| Flabellum macandrewi | Flabellum magnificum | Flabellum marcus |
| Flabellum marenzelleri | Flabellum messum | Flabellum moseleyi |
| Flabellum ongulense | Flabellum patens | Flabellum pavoninum |
| Flabellum politum | Flabellum sexcostatum | Flabellum sibogae |
| Flabellum thouarsii | Flabellum transversale | Flabellum tuthilli |
| Flabellum vaughani | Flabiol | Flabrinus fabarius |
| Flac | FLAC | Flaca |
| Flaccia | Flaccia arga | Flaccia bicornis |
| Flaccia conspersa | Flaccia dione | Flaccia imthurni |
| Flaccia oediceras | Flaccia pindara | Flaccia pyrrhoneura |
| Flaccia tumidifrons | Flaccia vagans | Flaccilla |
| Flaccisagitta | Flaccisagitta enflata | Flaccisagitta hexaptera |
| Flaccus | Flaccus Albinus Alcuinus | Flacey |
| Flacey, Côte-d'Or | Flacey, Eure-et-Loir | Flacey-en-Bresse |
| Flach | Flach (efternamn) | Flach, Jörgen |
| Flach, Marianne | Flach, Sigge | Flach, Sixten |
| Flach, Wilhelm | Flachaemus | Flachaemus diluta |
| Flachaemus knysnana | Flachaemus mosselensis | Flachaemus pirriensis |
| Flachaemus pondolandensis | Flachaemus porticola | Flachaemus punctata |
| Flachaemus turneri | Flachat, Eugene | Flachau |
| Flachau (Salzburg) | Flachères | Flacheres |
| Flachgau | Flachsenius, Jakob | Flachsenius, Johan |
| Flachslanden | Flacht | Flacilla albofrenata |
| Flacilla kraussi | Flacilla lubrica | Flacilla minuta |
| Flacilla purpurea | Flacilloides antineae | Flacillula |
| Flacillula albofrenata | Flacillula incognita | Flacillula kraussi |
| Flacillula lubrica | Flacillula minuta | Flacillula nitens |
| Flacillula purpurea | Flacitran | Flacius |
| Flacius Illyricus | Flacius, Matthias | Flack, Nina |
| Flack, Peter | Flack, Roberta | Flackarp |
| Flackarp och Österslövshus | Flackarps församling | Flackarps kyrka |
| Flackarps landskommun | Flackarps mölla | Flackarps socken |
