| Issac | Issac Ryan Brown | Issac Songok |
| Issacaris | Issacaris bullocki | Issacaris petalophora |
| Issacaris setosiventris | Issafen | Issafen (Commune Rurale) |
| Issafen (CR) | Issafen (kommun i Marocko) | Issafjörður |
| Issaguen | Issaguen (Commune Rurale) | Issaguen (CR) |
| Issai Schur | Issaias Afeworki | Issaka Dabore |
| Issaka Daborg | Issaka Sawadogo | Issakansaari |
| Issakka | Issakka (ö i Norra Karelen) | Issakka (ö i Norra Savolax) |
| Issakka (ö i Södra Savolax) | Issakkajarvi | Issakkajärvi |
| Issakkajärvi (sjö i Rautavaara, Norra Savolax) | Issakvān | Issam Jebali |
| Issam Jemâa | Issam Tej | Issamoulenc |
| Issan | Issan, Dalarna | Issancourt-et-Rumel |
| Issaniella | Issaniella mograbin | Issanlas |
| Issano River | Issans | Issaquah |
| Issaquah, Washington | Issaquena County | Issarius |
| Issarius carolinensis | Issarlès | Issarles |
| Issas | Issatchenkia | Issatchenkia hanoiensis |
| Issatchenkia occidentalis | Issatchenkia orientalis | Issatchenkia scutulata |
| Issatchenkia scutulata var. exigua | Issatchenkia scutulata var. scutulata | Issatchenkia terricola |
| Issay Dobrowen | Issay Mitnitzky | Issayas Afeworki |
| Issé | Issé (opera) | Issök |
| Isse | Isse (djur) | Isse Ismail |
| Isse punctata | Isse Samie | Isse, Marne |
| Issedon Tholus | Issegling | Issehoved |
| Issei Ouchi | Issei Sagawa | Issei Takahashi |
| Issei Takayanagi | Issei Tone | Issei Yoshimi |
| Isseka | Isseksi | Isseksi (Commune Rurale) |
| Isseksi (CR) | Isseksi (kommun) | Issel |
| Issel, Aude | Isselbach | Isselburg |
| Issella suturalis | Issen | Issen (Commune Rurale) |
| Issen (CR) | Issen (insjö) | Issen (kommun) |
| Issena lacera | Issena pacifica | Issendolus |
| Issenero River | Isseneru River | Issenhausen |
| Issenheim | Issepts | Isser |
| Isseroda | Isserpent | Issersheilingen |
| Isserteaux | Isserville | Issey Miyake |
| Issey Nakajima-Farran | Isshi (ー志) | Isshikia |
| Isshikia hainaaensis | Isshikia hainanensis | Isshikia japonica |
| Isshikia trifasciata | Isshikia wenchuanensis | Isshikia xizangensis |
| Isshikia yajimai | Issia | Issia (ort) |
| Issia globulifera | Issia Wazi FC | Issidae |
| Issidius | Issidius rotundiceps | Issigau |
| Issigeac | Issiglio | Issigonis, Alec |
| Issik-kul | Issik-Kul | Issikiella |
| Issikiella amazonica | Issikiella araguaiensis | Issikiella boliviensis |
| Issikiella byersi | Issikiella pulchra | Issikiocrania |
| Issikiocrania japonicella | Issikiopteryx | Issikiopteryx japonica |
| Issime | Issina suturalis | Issineru River |
| Issing, Otmar | Issirac | Issjö |
| Issjöa | Issjön | Issjön, Lappland |
| Issjön, Småland | Issjön, Uppland | Isskär |
| Isskär (ö i Finland) | Isskärsflyttjorna | Isskåp |
| Isskiva | Isskjutning | Isskogel |
| Issledovatelej, proliv | Issledovateley Strait | Isslottet |
| ISSM | ISSN | ISSN-nummer |
| Isso | Isso (ö) | Issogne |
| Issoire | Issomimus | Issomimus meruanus |
| Issomorphus maculatus | Issomorphus prociduus | Issopulex chloe |
| Issopulex nasuta | Issor | Issoria |
| Issoria abrita | Issoria admiralia | Issoria alba |
| Issoria alberici | Issoria alrita | Issoria altissima |
| Issoria anargyron | Issoria anna | Issoria ardens |
| Issoria attenuata | Issoria baumanni | Issoria bismarckensis |
| Issoria blancasi | Issoria brixia | Issoria caeruleomarginata |
| Issoria chlorographa | Issoria clara | Issoria cora |
| Issoria costimaculata | Issoria cytheris | Issoria darwini |
| Issoria deaurata | Issoria dexamene | Issoria eda |
| Issoria emiflorens | Issoria erebina | Issoria eugenia |
| Issoria excelsior | Issoria falklandica | Issoria fervida |
| Issoria florens | Issoria fulgens | Issoria fulva |
| Issoria garciai | Issoria gemmata | Issoria genia |
| Issoria goetghebuer | Issoria hanningtoni | Issoria hungarica |
| Issoria imatonga | Issoria inca | Issoria inigrum |
| Issoria interligata | Issoria isaeoides | Issoria issaea |
| Issoria jeanneli | Issoria katangae | Issoria lathonia |
| Issoria lathonioides | Issoria laufferi | Issoria mackinnoni |
| Issoria magisnigrata | Issoria margareta | Issoria maximemaculosa |
| Issoria melaena | Issoria messoa | Issoria minor |
| Issoria miriam | Issoria modesta | Issoria montana |
| Issoria neopina | Issoria nigriorattenuata | Issoria nigroprivata |
| Issoria nigropuncta | Issoria nupta | Issoria obscurescens |
| Issoria pallida | Issoria paradoxa | Issoria postlathonia |
| Issoria prima | Issoria pseudosaturata | Issoria pupillata |
| Issoria radiata | Issoria reducta | Issoria rhea |
| Issoria rheaoides | Issoria samoana | Issoria saturata |
| Issoria scyllaria | Issoria secunda | Issoria semicadmeis |
| Issoria sheljuzhkoi | Issoria shortlandica | Issoria siga |
| Issoria sinha | Issoria smaragdifera | Issoria subtusviola |
| Issoria tenonia | Issoria tessellata | Issoria transversa |
| Issoria triangularis | Issoria uganda | Issoria valdensis |
| Issoria valdiviana | Issoria vareai | Issoria vilarrubiai |
| Issoria vivesi | Issos | Issoscepa camelus |
| Issoscepa mutilatus | Issoscepa nana | Issoscepa nodosa |
| Issoscepa quadrituberculata | Issou | Issoudun |
| Issoudun-Létrieix | Issoudun-Letrieix | Issoundun |
| Isspah Butte | Isspjärna | Issport |
| Isstadion | Isstalaktit | Isstarr |
| Isstarrtjärnen | Isstøa | Isstoa |
| Isstock | Isstock vid olympiska vinterspelen | Isstock vid olympiska vinterspelen 1936 |
| Isstocksskjutning | Isstorm | Isstormen i Nordamerika 1998 |
