| C | ClickPane | ConstantArray |
| CachePersistence | ClickToCopy | ConstantImage |
| CalendarConvert | ClickToCopyEnabled | ConstantRegionQ |
| CalendarData | Clip | Constants |
| CalendarType | ClippingStyle | ConstantVideo |
| CalibratedSystemModel | ClipPlanes | ConstellationData |
| Callout | ClipPlanesStyle | Construct |
| CalloutMarker | ClipRange | ConstructColumns |
| CalloutStyle | Clock | Containing |
| CallPacket | ClockGauge | ContainsAll |
| CanberraDistance | Close | ContainsAny |
| Cancel | CloseKernels | ContainsExactly |
| CancelButton | ClosenessCentrality | ContainsNone |
| CandlestickChart | Closing | ContainsOnly |
| CanonicalGraph | CloudAccountData | ContentDetectorFunction |
| CanonicalizePolygon | CloudBase | ContentFieldOptions |
| CanonicalizePolyhedron | CloudConnect | ContentLocationFunction |
| CanonicalizeRegion | CloudDeploy | ContentObject |
| CanonicalName | CloudDirectory | ContentPadding |
| CanonicalWarpingCorrespondence | CloudDisconnect | ContentSelectable |
| CanonicalWarpingDistance | CloudEvaluate | ContentSize |
| CantorMesh | CloudExport | Context |
| CantorStaircase | CloudExpression | Contexts |
| Canvas | CloudExpressions | ContextToFileName |
| Cap | CloudFunction | Continue |
| CapForm | CloudGet | ContinuedFraction |
| CapitalDifferentialD | CloudImport | ContinuedFractionK |
| Capitalize | CloudLoggingData | ContinuousAction |
| CapsuleShape | CloudObject | ContinuousMarkovProcess |
| CaptureRunning | CloudObjectNameFormat | ContinuousTask |
| CaputoD | CloudObjects | ContinuousTimeModelQ |
| CarlemanLinearize | CloudObjectURLType | ContinuousWaveletData |
| CarlsonRC | CloudPublish | ContinuousWaveletTransform |
| CarlsonRD | CloudPut | ContourDetect |
| CarlsonRE | CloudRenderingMethod | ContourIntegrate |
| CarlsonRF | CloudSave | ContourLabels |
| CarlsonRG | CloudShare | ContourPlot |
| CarlsonRJ | CloudSubmit | ContourPlot3D |
| CarlsonRK | CloudSymbol | Contours |
| CarlsonRM | CloudUnshare | ContourShading |
| CarmichaelLambda | ClusterClassify | ContourStyle |
| CaseOrdering | ClusterDissimilarityFunction | ContraharmonicMean |
| Cases | ClusteringComponents | ContrastiveLossLayer |
| CaseSensitive | ClusteringMeasurements | Control |
| Cashflow | ClusteringTree | ControlActive |
| Casoratian | CMYKColor | ControllabilityGramian |
| Cast | CodeAssistOptions | ControllabilityMatrix |
| CastColumns | Coefficient | ControllableDecomposition |
| Catalan | CoefficientArrays | ControllableModelQ |
| CatalanNumber | CoefficientList | ControllerInformation |
| Catch | CoefficientRules | ControllerLinking |
| CategoricalDistribution | CoifletWavelet | ControllerManipulate |
| Catenate | Collect | ControllerMethod |
| CatenateLayer | CollinearPoints | ControllerPath |
| CauchyDistribution | Colon | ControllerState |
| CauchyMatrix | ColorBalance | ControlPlacement |
| CauchyPointProcess | ColorCombine | ControlsRendering |
| CauchyWindow | ColorConvert | ControlType |
| CayleyGraph | ColorCoverage | ConvectionPDETerm |
| CDF | ColorData | Convergents |
| CDFDeploy | ColorDataFunction | ConversionRules |
| CDFWavelet | ColorDetect | ConvexHullMesh |
| Ceiling | ColorDistance | ConvexHullRegion |
| CelestialSystem | ColorFunction | ConvexOptimization |
| Cell | ColorFunctionBinning | ConvexPolygonQ |
| CellAutoOverwrite | ColorFunctionScaling | ConvexPolyhedronQ |
| CellBaseline | Colorize | ConvexRegionQ |
| CellBracketOptions | ColorNegate | ConvolutionLayer |
| CellChangeTimes | ColorProfileData | Convolve |
| CellContext | ColorQ | ConwayGroupCo1 |
| CellDingbat | ColorQuantize | ConwayGroupCo2 |
| CellDingbatMargin | ColorReplace | ConwayGroupCo3 |
| CellDynamicExpression | ColorRules | CookieFunction |
| CellEditDuplicate | ColorSeparate | CoordinateBoundingBox |
| CellEpilog | ColorSetter | CoordinateBoundingBoxArray |
| CellEvaluationDuplicate | ColorSlider | CoordinateBounds |
| CellEvaluationFunction | ColorsNear | CoordinateBoundsArray |
| CellEventActions | ColorSpace | CoordinateChartData |
| CellFrame | ColorToneMapping | CoordinatesToolOptions |
| CellFrameColor | Column | CoordinateTransform |
| CellFrameLabelMargins | ColumnAlignments | CoordinateTransformData |
| CellFrameLabels | ColumnKeyExistsQ | CoplanarPoints |
| CellFrameMargins | ColumnKeys | CoprimeQ |
| CellGroup | ColumnLines | Coproduct |
| CellGroupData | ColumnsEqual | CopulaDistribution |
| CellGrouping | ColumnSpacings | Copyable |
| CellID | ColumnTypes | CopyDatabin |
| CellLabel | ColumnWidths | CopyDirectory |
| CellLabelAutoDelete | ColumnwiseThread | CopyFile |
| CellLabelStyle | ColumnwiseValue | CopyFunction |
| CellLabelTemplate | Comap | CopyToClipboard |
| CellMargins | ComapApply | CoreNilpotentDecomposition |
| CellObject | CombinatorB | CornerFilter |
| CellOpen | CombinatorC | CornerNeighbors |
| CellPrint | CombinatorI | Correlation |
| CellProlog | CombinatorK | CorrelationDistance |
| Cells | CombinatorS | CorrelationFunction |
| CellStyle | CombinatorW | CorrelationTest |
| CellStyleImportRules | CombinatorY | Cos |
| CellTags | CombinedEntityClass | CosDegrees |
| CellularAutomaton | CombinerFunction | Cosh |
| CensoredDistribution | CometData | CoshIntegral |
| Censoring | Commonest | CosineDistance |
| Center | CommonestFilter | CosineWindow |
| CenterArray | CommonName | CosIntegral |
| CenterDot | CommonUnits | Cot |
| CenteredInterval | CommunityBoundaryStyle | CotDegrees |
| CentralFeature | CommunityGraphPlot | Coth |
| CentralMoment | CommunityLabels | CoulombF |
| CentralMomentGeneratingFunction | CommunityRegionStyle | CoulombG |
| Cepstrogram | CompanyData | CoulombH1 |
| CepstrogramArray | CompatibleUnitQ | CoulombH2 |
| CepstrumArray | CompilationOptions | Count |
| CForm | CompilationTarget | CountDistinct |
| ChampernowneNumber | Compile | CountDistinctBy |
| ChannelBase | Compiled | CountRoots |
| ChannelBrokerAction | CompiledCodeFunction | CountryData |
| ChannelHistoryLength | CompiledComponent | Counts |
| ChannelListen | CompiledComponentRawInterface | CountsBy |
| ChannelListener | CompiledExpressionDeclaration | Covariance |
| ChannelListeners | CompiledFunction | CovarianceEstimatorFunction |
| ChannelObject | CompiledLayer | CovarianceFunction |
| ChannelReceiverFunction | CompilerCallback | CoxianDistribution |
| ChannelSend | CompilerEnvironment | CoxIngersollRossProcess |
| ChannelSubscribers | CompilerEnvironmentAppendTo | CoxModel |
| ChanVeseBinarize | CompilerEnvironmentObject | CoxModelFit |
| Character | CompilerInformation | CramerVonMisesTest |
| CharacterCounts | CompilerOptions | CreateArchive |
| CharacterEncoding | CompilerRuntimeErrorAction | CreateCellID |
| CharacteristicFunction | Complement | CreateChannel |
| CharacteristicPolynomial | ComplementedEntityClass | CreateCloudExpression |
| CharacterName | CompleteGraph | CreateCompilerEnvironment |
| CharacterNormalize | CompleteGraphQ | CreateDatabin |
| CharacterRange | CompleteIntegral | CreateDataStructure |
| Characters | CompleteKaryTree | CreateDataSystemModel |
| ChartBaseStyle | Complex | CreateDialog |
| ChartElementFunction | ComplexArrayPlot | CreateDirectory |
| ChartElements | ComplexContourPlot | CreateDocument |
| ChartLabels | Complexes | CreateFile |
| ChartLayout | ComplexExpand | CreateForeignCallback |
| ChartLegends | ComplexInfinity | CreateIntermediateDirectories |
| ChartStyle | ComplexityFunction | CreateLicenseEntitlement |
| ChatEvaluate | ComplexListPlot | CreateManagedLibraryExpression |
| ChatObject | ComplexPlot | CreateManagedObject |
| ChatSubmit | ComplexPlot3D | CreateNotebook |
| Chebyshev1FilterModel | ComplexRegionPlot | CreatePacletArchive |
| Chebyshev2FilterModel | ComplexStreamPlot | CreatePalette |
| ChebyshevT | ComplexVectorPlot | CreatePermissionsGroup |
| ChebyshevU | ComponentExpand | CreateSearchIndex |
| Check | ComponentMeasurements | CreateSemanticSearchIndex |
| CheckAbort | ComposeList | CreateSystemModel |
| CheckArguments | ComposeSeries | CreateTypeInstance |
| Checkbox | CompositeQ | CreateUUID |
| CheckboxBar | Composition | CreateVectorDatabase |
| ChemicalConvert | CompoundElement | CreateWindow |
| ChemicalData | CompoundExpression | CriterionFunction |
| ChemicalFormula | CompoundPoissonDistribution | CriticalityFailureImportance |
| ChemicalInstance | CompoundPoissonProcess | CriticalitySuccessImportance |
| ChemicalReaction | CompoundRenewalProcess | CriticalSection |
| ChessboardDistance | Compress | Cross |
| ChiDistribution | CompressionLevel | CrossEntropyLossLayer |
| ChineseRemainder | ComputeUncertainty | CrossingCount |
| ChiSquareDistribution | ConcaveHullMesh | CrossingDetect |
| ChoiceButtons | Condition | CrossingPolygon |
| ChoiceDialog | ConditionalExpression | CrossMatrix |
| CholeskyDecomposition | Conditioned | Csc |
| Chop | Cone | CscDegrees |
| ChromaticityPlot | ConfidenceLevel | Csch |
| ChromaticityPlot3D | ConfidenceRange | CSGRegion |
| ChromaticPolynomial | ConfidenceTransform | CSGRegionQ |
| Circle | Confirm | CSGRegionTree |
| CircleDot | ConfirmAssert | CTCLossLayer |
| CircleMinus | ConfirmBy | Cube |
| CirclePlus | ConfirmMatch | CubeRoot |
| CirclePoints | ConfirmQuiet | Cubics |
| CircleThrough | ConformationMethod | Cuboid |
| CircleTimes | ConformAudio | Cumulant |
| CirculantGraph | ConformDates | CumulantGeneratingFunction |
| CircularArcThrough | ConformImages | CumulativeFeatureImpactPlot |
| CircularOrthogonalMatrixDistribution | Congruent | Cup |
| CircularQuaternionMatrixDistribution | ConicGradientFilling | CupCap |
| CircularRealMatrixDistribution | ConicHullRegion | Curl |
| CircularSymplecticMatrixDistribution | ConicOptimization | CurrencyConvert |
| CircularUnitaryMatrixDistribution | Conjugate | CurrentDate |
| CircumscribedBall | ConjugateTranspose | CurrentImage |
| Circumsphere | Conjunction | CurrentNotebookImage |
| CityData | ConnectedComponents | CurrentScreenImage |
| ClassifierFunction | ConnectedGraphComponents | CurrentValue |
| ClassifierMeasurements | ConnectedGraphQ | CurryApplied |
| ClassifierMeasurementsObject | ConnectedMeshComponents | CurvatureFlowFilter |
| Classify | ConnectedMoleculeComponents | CurveClosed |
| ClassPriors | ConnectedMoleculeQ | Cyan |
| Clear | ConnectionSettings | CycleGraph |
| ClearAll | ConnectLibraryCallbackFunction | CycleIndexPolynomial |
| ClearAttributes | ConnectSystemModelComponents | Cycles |
| ClearCookies | ConnectSystemModelController | CyclicGroup |
| ClearDistributedDefinitions | ConnesWindow | Cyclotomic |
| ClearPermissions | ConoverTest | Cylinder |
| ClearSystemCache | ConservativeConvectionPDETerm | CylindricalDecomposition |
| ClebschGordan | Constant | CylindricalDecompositionFunction |