| Named | Ipe.Value, Ipe |
| named | Ipe.Color, Ipe |
| Nat | HGeometry.Number.Real.Rational |
| navy | Ipe.Color |
| nearDist | HGeometry.Graphics.Camera |
| negated | HGeometry, HGeometry.Kernel, HGeometry.Vector.Class, HGeometry.Vector |
| Negative | HGeometry.HalfSpace, HGeometry.Sign |
| neighboursOf | HGeometry.PlaneGraph |
| next | HGeometry.Permutation |
| nextDartOf | HGeometry.PlaneGraph |
| nextSibling | HGeometry.Tree.Util |
| Nil | HGeometry.Tree.Binary.Static |
| No | Ipe.Attributes, Ipe |
| NoAttr | Ipe.Attributes, Ipe |
| NoCrop | Ipe.IpeRender |
| Node | HGeometry.Tree.Binary.Static |
| node | HGeometry.Tree.Binary.Static |
| nonEmptyTails | HGeometry.Combinatorial.Util |
| NonVertical | HGeometry.Line.General |
| NonVerticalHyperPlane | |
| 1 (Type/Class) | HGeometry.HyperPlane.NonVertical |
| 2 (Data Constructor) | HGeometry.HyperPlane.NonVertical |
| NonVerticalHyperPlane_ | HGeometry.HyperPlane.Class, HGeometry.HyperPlane |
| norm | HGeometry, HGeometry.Kernel, HGeometry.Vector.Class, HGeometry.Vector |
| normalArrow | Ipe.Attributes, Ipe |
| normalVector | HGeometry.HyperPlane.Class, HGeometry.HyperPlane |
| North | HGeometry.Direction |
| north | HGeometry, HGeometry.Box, HGeometry.Kernel |
| NorthEast | HGeometry.Direction |
| northEast | HGeometry, HGeometry.Box, HGeometry.Kernel |
| NorthWest | HGeometry.Direction |
| northWest | HGeometry, HGeometry.Box, HGeometry.Kernel |
| NoZip | |
| 1 (Type/Class) | Ipe.IpeToIpe |
| 2 (Data Constructor) | Ipe.IpeToIpe |
| nozip | Ipe.IpeToIpe |
| numDarts | HGeometry.PlaneGraph |
| numEdges | HGeometry.Polygon.Class, HGeometry.PlaneGraph, HGeometry.Polygon |
| numerator | HGeometry.Number.Ratio.Generalized |
| numFaces | HGeometry.PlaneGraph |
| NumType | HGeometry.Properties |
| numVertices | HGeometry.Polygon.Class, HGeometry.PlaneGraph, HGeometry.Polygon |
| NVLine2_ | |
| 1 (Data Constructor) | HGeometry, HGeometry.Line.NonVertical.Class, HGeometry.Line.LineEQ, HGeometry.Line, HGeometry.Kernel |
| 2 (Type/Class) | HGeometry, HGeometry.Line.NonVertical.Class, HGeometry.Line.LineEQ, HGeometry.Line, HGeometry.Kernel |