| Cleantis | Cleantis annandalei | Cleantis chilensis |
| Cleantis gayi | Cleantis granulosa | Cleantis heathii |
| Cleantis isopus | Cleantis japonica | Cleantis linearis |
| Cleantis natalensis | Cleantis occidentalis | Cleantis phryganea |
| Cleantis planicauda | Cleantis prismatica | Cleantis rotundata |
| Cleantis strasseni | Cleantis tubicola | Cleanup Time |
| Cleapa | Cleapa formosae | Cleapa latifascia |
| Cleapa rotundata | Clear air turbulens | Clear Channel |
| Clear Creek County | Clear Hills 152C | Clear Island |
| Clear Island (ö i Antarktis) | Clear Island (ö i Irland) | Clear Island (olika betydelser) |
| Clear Island Waters | Clear Island, Antarktis | Clear Lake |
| Clear Lake (olika betydelser) | Clear Lake (sjö i Antarktis, lat -68,64, long 77,99) | Clear Lake (sjö i Antarktis, lat -77,53, long 166,15) |
| Clear Lake, Iowa | Clear Lake, Minnesota | Clear Lake, South Dakota |
| Clear Mountain | Clear Mountain (del av en befolkad plats) | Clear Passage Island |
| Clear Range | Clear Range (berg) | Clear River |
| Clear River (vattendrag i Kanada, British Columbia) | Clear River Racing | Clear River, British Columbia |
| Clear Spot | Clear Vision | Clear Water Bay |
| Clear-air turbulens | Clearance | Clearasil |
| Clearchannel | ClearChannel | Clearfield |
| Clearfield County | Clearfield, Pennsylvania | Clearidas |
| Clearidas dimidiatus | Clearidas nigriceps | Clearing |
| Clearinghouse | Clearingnummer | Clearlake |
| Clearlake, Kalifornien | Clearmont, Wyoming | ClearSense |
| Clearstream | Cleartype | ClearType |
| Clearview Acres, Wyoming | Clearview, West Virginia | Clearwater |
| Clearwater (olika betydelser) | Clearwater 175 | Clearwater County |
| Clearwater County, Idaho | Clearwater County, Minnesota | Clearwater Lake |
| Clearwater Lake (olika betydelser) | Clearwater Lake (sjö i Kanada, British Columbia, lat 52,27, long -120,22) | Clearwater Lake (sjö i Kanada, Manitoba, lat 54,08, long -101,00) |
| Clearwater Lake (sjö i Kanada, Ontario, District Municipality of Muskoka, lat 45,20, long -79,23) | Clearwater Lake, British Columbia | Clearwater Lake, Manitoba |
| Clearwater Lake, Ontario | Clearwater Mesa | Clearwater Public Library System |
| Clearwater River | Clearwater River (Idaho) | Clearwater River (olika betydelser) |
| Clearwater River (vattendrag i Kanada, Alberta, lat 52,37, long -114,95) | Clearwater River (vattendrag i Kanada, Alberta, lat 56,73, long -111,39) | Clearwater River (vattendrag i Kanada, British Columbia) |
| Clearwater River Dene Band 221 | Clearwater River Dene Band 223 | Clearwater River Provincial Park |
| Clearwater River, Alberta | Clearwater River, Alberta/Saskatchewan | Clearwater River, British Columbia (flod) |
| Clearwater River, Idaho | Clearwater, British Columbia | Clearwater, Florida |
| Clearwater, Kansas | Clearwater, Minnesota | Clearwatersjön |
| Clearwell | Cleary | Cleary (berg) |
| Cleary, Beverly | Cleary, Daniel | Cleary, Mount |
| Cleasby | Cleasby (ort) | Cleasby (parish) |
| Cleasby, North Yorkshire | Cleatlam | Cleator Moor |
| Cleator Moor (ort) | Cleator Moor (parish) | Cleave, Mary L. |
| Cleaveius | Cleaveius circumspinifer | Cleaveius leiognathi |
| Cleaveius mysti | Cleaveius portblairensis | Cleaveius prashadi |
| Cleaveius secundus | Cleaver Lake | Cleaver Lake (sjö i Kanada, Ontario, Thunder Bay District) |
| Cleaver Lake (sjö i Kanada, Ontario, Timiskaming District) | Cleaver Lake, Thunder Bay District | Cleaver Lake, Timiskaming District |
| Cleaver, Eldridge | Cleaver, Emanuel | Cleaver, Harry |
| Cleaves Glacier | Cleaves Glacier (glaciär i Antarktis) | Cleavon Little |
| Clebung | Cleburn | Cleburne |
| Cleburne County | Cleburne County, Alabama | Cleburne County, Arkansas |
| Cleburne, Texas | Cleckheaton | Cleckheaton (ort i Storbritannien) |
| Clecy | Cleden-Cap-Sizun | Cleden-Poher |
| Cleder | Cledes | Cledok |
| Cledos | Cledra | Cledra simoni |
| Cledwen | Clee Hills | Clee St. Margaret |
| Cleebourg | Cleebronn | Cleehill |
| Cleese, Cynthia | Cleese, John | Cleethorpes |
| Cleethorpes (distrikt) | Cleeve | Cleeve (distrikt i Storbritannien) |
| Cleeve Hill | Cleeve Prior | Cleeve, Somerset |
| Cleeves, Ann | Clefable | Clefairy |
| Cleffa | Clefmont | Clefs |
| Clefs-Val d'Anjou | Cleft Island | Cleft Island (ö i Antarktis) |
| Cleft Ledge | Cleft Peak | Cleft Peak (bergstopp i Antarktis) |
| Cleft Peak, Antarktis | Cleft Point | Clegg Nunataks |
| Clegg, Johnny | Clegg, Nick | Clegg, Tom |
| Cleggan Bay | Cleghornia | Cleghornia acuminata |
| Cleghornia borneensis | Cleghornia chinensis | Cleghornia cymosa |
| Cleghornia dongnaiensis | Cleghornia gracilis | Cleghornia henryi |
| Cleghornia malaccensis | Clegs des Champs | Cleguer |
| Cleguerec | Clehonger | Cleidiocarpon |
| Cleidiocarpon cavaleriei | Cleidiocarpon laurinum | Cleidion |
| Cleidion amazonicum | Cleidion bishnui | Cleidion bracteosum |
| Cleidion brevipetiolatum | Cleidion cafcaf | Cleidion capuronii |
| Cleidion castaneifolium | Cleidion claoxyloides | Cleidion coriaceum |
| Cleidion degeneri | Cleidion denticulatum | Cleidion gabonicum |
| Cleidion javanicum | Cleidion javanicum var. moniliflorum | Cleidion lasiophyllum |
| Cleidion lemurum | Cleidion leptostachyum | Cleidion lochmios |
| Cleidion lutescens | Cleidion luziae | Cleidion macarangoides |
| Cleidion macrophyllum | Cleidion mannii | Cleidion marginatum |
| Cleidion megistophyllum | Cleidion membranaceum | Cleidion minahassae |
| Cleidion moniliflorum | Cleidion neoebudicum | Cleidion nicaraguense |
| Cleidion nitidum | Cleidion oblongifolium | Cleidion obovatum |
| Cleidion panduratum | Cleidion papuanum | Cleidion paucidentatum |
| Cleidion platystigma | Cleidion praealtum | Cleidion preussii |
| Cleidion ramosii | Cleidion salomonis | Cleidion sessile |
| Cleidion spathulatum | Cleidion spiciflorum var. moniliflorum | Cleidion taynguyenense |
| Cleidion tenuispica | Cleidion tricoccum | Cleidion ulmifolium |
| Cleidion veillonii | Cleidion velutinum | Cleidion verticillatum |
| Cleidion vieillardii | Cleidion vieillardii var. genuinum | Cleidion vieillardii var. macrophyllum |
| Cleidion vieillardii var. vitiensis | Cleidion viridiflorum | Cleidion woodsonianum |
| Cleidion xyphophylloides | Cleidochasma | Cleidochasma affinis |
| Cleidochasma granifera | Cleidochasma oranense | Cleidochasma porcellanum |
| Cleidochasma strangulatum | Cleidochasma verrucosa | Cleidochasmatidae |
| Cleidochasmidra | Cleidochasmidra canakkalense | Cleidodiscoides |
| Cleidodiscoides sulcata | Cleidodiscus | Cleidodiscus capax |
| Cleidodiscus pricei | Cleidogona | Cleidogona accretis |
| Cleidogona alata | Cleidogona arco | Cleidogona arkansana |
| Cleidogona aspera | Cleidogona atoyaca | Cleidogona atropos |
| Cleidogona australis | Cleidogona austrina | Cleidogona bacillipus |
| Cleidogona baroqua | Cleidogona bifurca | Cleidogona caesioannulata |
| Cleidogona camazotz | Cleidogona caroliniana | Cleidogona ceibana |
