File 
Isolate Selection's Layer 
Isometric View 
Isotropic Light Distribution (Photometric Lights) 
Job Dependencies Dialog 
Join Curves Dialog 
Join Surfaces Dialog 
JPEG Files 
Key Info (Advanced) Rollout/Dialog 
Key Info (Basic) Rollout/Dialog 
Key Mode  
Key Time Display 
Keyable Icons  
Keyboard Panel 
Keyboard Shortcut Override Toggle  
Keyboard Shortcuts in the Help Viewer 
Keyboard Shortcuts 
Keyframe Mode 
Keyframes/Keys 
Keys Menu 
Kinematic Chain 
Knot 
LandXML/DEM Model Import Dialog 
Lasso Selection Region  
Lathe Modifier 
Lathe Surface  
Lattice Modifier 
Launch Script 
Layer List  
Layer Manager  
Layer Properties Dialog 
Layers Toolbar 
Layers 
Layout Mode 
Legacy AutoCAD Import 
Lens Effects Rendering Effects 
L-Ext Extended Primitive 
Light Falloff  
Light Hotspot  
Light Include/Exclude Tool 
Light Lister 
Light Map 
Light Painting Rollout (Radiosity) 
Light Viewport Controls 
Lighting Analysis 
Lighting and Cameras Palettes 
Lighting Data Exporter Utility 
Lighting in Autodesk VIZ 
Lights and Cameras 
Lights and Shading 
Lights  
Lightscape Material 
Lightscape Materials Utility 
Limit Controller 
Limiting Joint Action 
Line Spline 
Linear Controller 
Linear Exposure Control 
Linear Light Parameters Rollout 
Link Constraint 
Link Display Rollout 
Link Info 
Link Inheritance (Selected) Utility 
Linked Geometry 
Linking and Unlinking Objects 
Linking Strategy 
List Controller 
List of Available Modifiers 
List of Available Utilities 
Listener Window 
Load Custom UI Scheme 
Local Coordinate System 
Local Euler XYZ Rotation Controller 
Lock Selection  
Lock Tangents  
Lock UI Layout 
Locking Object Transforms 
Locks Rollout 
LOD VRML97 Helper 
Loft Compound Object 
Lofting