| Code::Blocks | CodeAnalyst | Codec |
| Codecademy | CODECO | CodeGear |
| CodeGear RAD Studio | CodeIgniter | Codeigniter |
| CODELCO | CodeLite | Codelite |
| Codelobster | Codemasters | Codename Gordon |
| Codename Pwnage | Codename wa Sailor V | Codename: Gordon |
| Codename: Kids Next Door | Codename: Kingdoms | Codename: Panzers – Cold War |
| Codename: Sailor V | Codenames | Codepage 866 |
| CodePlex | Codeplex | Coder |
| CodeRED: Alien Arena | Coderush | CodeRush (программа) |
| CodeStuff Starter | CoDeSys | CodeSys |
| CodeView | CodeVisionAVR | CodeWarrior |
| Codex Alexandrinus | Codex Alimentarius | Codex Argenteus |
| Codex Babylonicus of A.D. 916 | Codex Borbonicus | Codex Cavensis |
| Codex chartaceus | Codex Cumanicus | Codex Gigas |
| Codex Gregorianus | Codex Hermogenianus | Codex Magliabechiano |
| Codex Manesse | Codex manuscriptus | Codex Marchalianus |
| Codex Omega | Codex Regius | Codex rescriptus |
| Codex Seraphinianus | Codex Sinaiticus | Codex Theodosianus |
| Codex Vaticanus | Codex Vindobonensis Mexicanus I | Codex Wormianus |
| Codiaeum | Codiaeum variegatum | Codices Latini Antiquiores |
| Codilia | Coding by convention | Codington County, South Dakota |
| Codiomyrmex | Codiomyrmex flagellatus | Codiomyrmex semicomptus |
| CODLAG | Codo Technologies | Codocera |
| Codocera ferruginea | CODOG | CODOH |
| Codona | Codonanthe | Codonemma |
| Codonia | Codonocalyx | Codonopsis |
| Codonopsis bhutanica | Codonosiphon | Codophila varia |
| Codorniu | Codrescu | Codrus |
| CODwaw | Cody Martin Linley | Cody Reed Kasch |
| Cody Rhodes | Cody Robert Simpson | Cody Runnels |
| Cody Simpson | Cody Zeller | Cody, Wyoming |
| Coecarrhopalites | Coed School | Coelacanthidae |
| Coelacanthiformes | Coelacanthimorpha | Coelacanthus |
| Coelenterata | Coelestina | Coeli lumen |
| Coelidia | Coelidia albororata | Coelidia dubia |
| Coelidia obscura | Coelidia rama | Coelidia scrupulosa |
| Coelidiinae | Coeligena | Coeligena torquata |
| Coelioxys | Coelioxys quadridentata | Coelochalcis carinifrons |
| Coelococcus | Coelocrabro | Coelodonta |
| Coelodonta antiquitatis | Coelogaster | Coeloglossum |
| Coeloglossum albidum | Coeloglossum alpinum | Coeloglossum purpureum |
| Coeloglossum viride | Coelognathus helena | Coelogyne elegans |
| Coelogyne humilis | Coelogyne lawrenceana | Coelophrys |
| Coelophysidae | Coelophysinae | Coelophysis |
| Coelophysis bauri | Coelophysoidae | Coelophysoidea |
| Coeloplana | Coeloplana metschnikowii | Coelopus cyanescens |
| Coelosaurus antiquus | Coelostomidiidae | Coelostylis |
| Coelum Australe Stelliferum | Coelum Stellatum Christianum | Coelurosauravidae |
| Coelurosauravus | Coelurosauria | Coelurus |
| Coem. | Coena Cypriani | Coenagrion |
| Coenagrion armatum | Coenagrion hastulatum | Coenagrion hylas |
| Coenagrion johanssoni | Coenagrion lunulatum | Coenagrion mercuriale |
| Coenagrion ornatum | Coenagrion puella | Coenagrion pulchellum |
| Coenagrion scitulum | Coenagrion vanbrinkae | Coenagrionidae |
| Coenagrionoidea | Coenaletes | Coenaletidae |
| Coenaletoidea | Coendou | Coendou bicolor |
| Coendou prehensilis | Coendou rothschildi | Coenobita |
| Coenobita brevimanus | Coenobita cavipes | Coenobita variabilis |
| Coenobitidae | Coenomyiinae | Coenonympha |
| Coenonympha amaryllis | Coenonympha arcania | Coenonympha glycerion |
| Coenonympha hero | Coenonympha leander | Coenonympha mongolica |
| Coenonympha oedippus | Coenonympha pamphilus | Coenonympha saadi |
| Coenonympha symphita | Coenonympha tullia | Coenorrhinus pauxillus |
| Coenraad Jacob Temminck | Coenraad van Klenck | Coenzyme M |
| Coeranoscincus | Coereba | Coereba flaveola |
| Coerebidae | Coescoes | Coetomys damarensis |
| Coetzer | Coeur d'Alene, Idaho | Coeur de pirate |
| COEX | Coexist | Cof |
| COF2 | COFACE | Coface |
| Cofana | Cofana albida | Cofana eburnea |
| Cofana hoogstraali | Cofana jedarfa | Cofana lata |
| Cofana lineata | Cofana maai | Cofana medleri |
| Cofana perkinsi | Cofana polaris | Cofana separata |
| Cofana sotoi | Cofana spectra | Cofana unimaculata |
| Cofana yasumatsui | COFCO Group | COFDM |
| COFEE | Cofee | Cofergot |
| COFF | Coffea | Coffea arabica |
| Coffea canephora | Coffea charrieriana | Coffea liberica |
| Coffea robusta | Coffee | Coffee & Cigarettes |
| Coffee & TV | Coffee and Cigarettes II | Coffee and Cigarettes III |
| Coffee and Cigarettes, Memphis Version | Coffee and Cigarettes: Somewhere in California | Coffee Bean |
| Coffee County | Coffee County, Alabama | Coffee County, Georgia |
| Coffee County, Tennessee | Coffee Lake | Coffee Like |
| Coffee Shop | Coffee Stain Studios | CoffeeScript |
| Coffeeshop Company | Coffeikokkos | Coffey County, Kansas |
| Coffman | Cofidis | Cofidis (велокоманда) |
| Cofidis, Le Credit en Ligne | Cofidis, Solutions Crédits | COGAG |
| Coggeria | Coggeria naufragus | Cogita et visa |
| Cogitan | Cogitationum poenam nemo luit | Cogito |
| Cogito ergo sum | Cogito, ergo sum | Cogn. |
| Cognata vocabula rebus | Cognatio spiritualis | Cognitive Forms |
| Cognitive Passport | Cognitive Technologies | Cognos |
| Cognos Inc. | COGOG | CoH |
| Coheed and Cambria | Cohen Live: Leonard Cohen in Concert | Cohiba |
| Cohn | Cohors praetoria | Cohors quinquagenaria equitata |
| Cohors quinquagenaria peditata | Cohortes urbanae | Cohousing |
| Coicopihue | COIL | Coil |
| Coil (группа) | Coil - A Circle of Children | Coil Gun |
| Coil gun | Coilgun | CoilGun |
