| Subject | Latin | English |
| biol. | Bovicola ovis | sheep biting louse (Schrank) |
| nat.sc., agric. | Bovicola ovis | sheep body louse |
| biol. | Bovicola ovis | sheep bitting louse (Schrank) |
| entomol. | Bovicola ovis | sheep biting louse |
| biol. | Bovicola ovis | red-headed louse (Schrank) |
| vet.med. | Brucella ovis | ovine contagious epididymitis |
| vet.med. | Brucella ovis | brucellosis of sheep |
| health., nat.res., agric. | Brucella ovis | contagious epidymitis |
| vet.med. | Brucella ovis | ovine brucellosis |
| vet.med. | Brucella ovis | ovine epididymitis |
| vet.med. | Chlamydia psittaci var. ovis | ovine enzootic abortion |
| vet.med. | Chlamydia psittaci var. ovis | enzootic abortion of ewes |
| vet.med. | Chlamydia psittaci var. ovis | enzootic abortion of sheep |
| vet.med. | Chorioptes ovis | chorioptic mange of sheep |
| biol. | Chorioptes ovis Raill | sheep chorioptic mange mite |
| nat.sc., agric. | Damalinia ovis | sheep body louse |
| nat.sc., agric. | Damalinia ovis | sheep biting louse |
| nat.res. | Demodex ovis | sheep follicle mite |
| biol. | Demodex ovis | sheep follicle mite (Railliet) |
| biol. | Demodex ovis | sheep mange mite (Railliet) |
| biol. | Demodex ovis Railliet | sheep mange mite |
| biol. | Demodex ovis Railliet | sheep follicle mite |
| nat.sc., agric. | Oestrus ovis | Oestrus ovis |
| vet.med. | Oestrus ovis | nostril fly of sheep |
| nat.res., agric. | Oestrus ovis | sheep nasal bot fly |
| nat.res., agric. | Oestrus ovis | nasal bot fly |
| nat.res., agric. | Oestrus ovis | sheep botfly |
| entomol. | Oestrus ovis | sheep nasal botfly |
| entomol. | Oestrus ovis | sheep nostril fly |
| nat.res., agric. | Oestrus ovis | sheep nose fly |
| nat.res., agric. | Oestrus ovis | sheep nose bot fly |
| vet.med. | Oestrus ovis | nose fly |
| vet.med. | Oestrus ovis | sheep grub |
| zool. | Oestrus ovis | sheep gadfly |
| biol. | Oestrus ovis L. | sheep bot fly |
| biol. | Oestrus ovis L. | nose fly |
| biol. | Oestrus ovis Linnaeus | sheep nostril fly |
| biol. | Oestrus ovis Linnaeus | sheep botfly |
| mamm. | Ovis ammon | moufflon urical |
| mamm. | Ovis ammon | wild sheep |
| mamm. | Ovis ammon | mufflon |
| nat.res. | Ovis ammon | Pamir argali |
| nat.sc. | Ovis ammon | moufflong |
| mamm. | Ovis ammon | muflon |
| life.sc., environ. | Ovis ammon | Marco Polo sheep |
| mamm. | Ovis ammon | argali |
| zool. | Ovis ammon ammon | argali |
| zool. | Ovis ammon aries | domestic sheep |
| nat.sc. | Ovis ammon f.aries | sheep |
| nat.res. | Ovis ammon hodgsoni | nyan |
| nat.res. | Ovis ammon hodgsoni | great Tibetan sheep |
| life.sc., environ. | Ovis ammon hodgsoni | Tibetan argali |
| environ., nat.res. | Ovis ammon hodgsonii | great Tibetan sheep |
| environ., nat.res. | Ovis ammon hodgsonii | nyan |
| environ., nat.res. | Ovis ammon hodgsonii | Tibetan argali |
| nat.res. | Ovis ammon musimon | mouflon |
| zool. | Ovis ammon musimon | European mouflon |
| nat.res. | Ovis ammon nigrimontana | Kara Tau argali |
| nat.res. | Ovis ammon ophion | Cyprian mouflon |
| zool. | Ovis ammon ophion, | Cyprus moufflon (Ovis orientalis ophion) |
| zool. | Ovis ammon orientalis | urial |
| zool. | Ovis ammon polii | Marco Polo's sheep |
| pets | Ovis aries sp. | milk sheep |
| pets | Ovis aries sp. | milch sheep |
| agric. | Ovis aries | domestic sheep |
| pets | Ovis aries | wool sheep |
| mamm. | Ovis aries | sheep |
| mamm. | Ovis aries aries | sheep |
| mamm. | Ovis aries musimon | mouflon |
| life.sc., environ. | Ovis aries ophion | Cyprian mouflon |
| nat.sc., agric. | Ovis aries platyura | fat-tailed sheep |
| environ., nat.res. | Ovis canadensis | Mexican bighorn sheep |
| mamm. | Ovis canadensis | rocky mountain sheep |
| mamm. | Ovis canadensis | mountain sheep |
| mamm. | Ovis canadensis | American bighorn |
| mamm. | Ovis canadensis | bighorn sheep |
| zool. | Ovis canadensis | bighorn |
| zool. | Ovis canadensis nelsoni | desert sheep |
| zool. | Ovis dalli dalli | white sheep |
| zool. | Ovis dalli dalli | Dall's sheep |
| zool. | Ovis dalli stonei | black sheep |
| zool. | Ovis dalli stonei | Stone's sheep |
| nat.res. | Ovis musimon | European mouflon |
| nat.res. | Ovis musimon | European muflon |
| mamm. | Ovis musimon | mouflon |
| zool. | Ovis musimon | Corsican moufflon |
| gen. | Ovis musimon | moufflon |
| nat.res. | Ovis ophion | Cyprian mouflon |
| nat.res. | Ovis orientalis ophion | Cyprian mouflon |
| nat.res. | Ovis orientalis vignei | Ladakh urial |
| nat.res. | Ovis vignei | shapo |
| nat.res. | Ovis vignei | urin |
| environ., nat.res. | Ovis vignei | shapu |
| nat.res. | Ovis vignei | urial |
| nat.res. | Ovis vignei vignei | Ladakh urial |
| biol. | Psoroptes communis ovis Hering | goat scab mite |
| vet.med. | Psoroptes ovis | sheep scab |
| vet.med. | Psoroptes ovis | psoroptic mange of sheep |
| biol. | Psoroptes ovis | sheep scab mite (Hering) |
| biol. | Salmonella abortus-ovis Lovell Salmonella Subcommittee | salmonella abortus-ovis |
| biol. | Sarcoptes scabiei ovis Megnin | sheep itch mite |
| vet.med. | Sarcoptes scabiei var. ovis | head mange of sheep |
| vet.med. | Sarcoptes scabiei var. ovis | barn itch |
| vet.med. | Sarcoptes scabiei var. ovis | sarcoptic mange of sheep |
| vet.med. | Taenia ovis | sheep measles |
| vet.med. | Tortor ovis | pseudo foot-and-mouth disease |
| vet.med. | Tortor ovis | bluetongue disease |
| vet.med. | Tortor ovis | bluetongue |
| vet.med. | Trichodectes ovis | red-headed sheep louse |
| vet.med. | Trichodectes ovis | sheep chewing louse |
| nat.sc., agric. | Trichodectes ovis | sheep body louse |
| nat.sc., agric. | Trichodectes ovis | sheep biting louse |
| vet.med. | Trichuris ovis | ruminant whipworm |
