| SArrow | Ipe.Attributes, Ipe |
| SAttributeUniverse | Ipe.Attributes, Ipe |
| SClip | Ipe.Attributes, Ipe |
| SDash | Ipe.Attributes, Ipe |
| seagreen | Ipe.Color |
| setAttr | Ipe.Attributes, Ipe |
| SFill | Ipe.Attributes, Ipe |
| SFillRule | Ipe.Attributes, Ipe |
| SGradient | Ipe.Attributes, Ipe |
| singlePageFile | Ipe.Types, Ipe |
| singlePageFromContent | Ipe.Types, Ipe |
| singleView | Ipe.IpeToIpe |
| Size | Ipe.Attributes, Ipe |
| SizeSym0 | Ipe.Attributes, Ipe |
| SLayer | Ipe.Attributes, Ipe |
| SLineCap | Ipe.Attributes, Ipe |
| SLineJoin | Ipe.Attributes, Ipe |
| SMatrix | Ipe.Attributes, Ipe |
| SOpacity | Ipe.Attributes, Ipe |
| SPen | Ipe.Attributes, Ipe |
| SPin | Ipe.Attributes, Ipe |
| Spline | Ipe.Path |
| SplineSegment | Ipe.Path, Ipe.Content, Ipe.Types, Ipe |
| SRArrow | Ipe.Attributes, Ipe |
| SSize | Ipe.Attributes, Ipe |
| SStroke | Ipe.Attributes, Ipe |
| SStrokeOpacity | Ipe.Attributes, Ipe |
| STiling | Ipe.Attributes, Ipe |
| STransformations | Ipe.Attributes, Ipe |
| Stroke | Ipe.Attributes, Ipe |
| StrokeOpacity | Ipe.Attributes, Ipe |
| StrokeOpacitySym0 | Ipe.Attributes, Ipe |
| StrokeSym0 | Ipe.Attributes, Ipe |
| styleData | Ipe.Types, Ipe |
| styleName | Ipe.Types, Ipe |
| styles | Ipe.Types, Ipe |
| SVG | Ipe.IpeRender |
| Symbol | Ipe.Content, Ipe.Types, Ipe |
| SymbolAttributes | Ipe.Attributes, Ipe |
| symbolName | Ipe.Content, Ipe.Types, Ipe |
| symbolPoint | Ipe.Content, Ipe.Types, Ipe |