An inclined plane is a physical structure which uses a difference in height to gain a mechanical advantage.

Inclined plane may also refer to:

• Canal inclined plane, application of the method to a canal interchange
• Inclined plane railroad, funicular, or cable railway
• Design feature applied on some fixed-wing aircraft
• ‘’Schiefe Ebene’’, specific stretch of German railway with a severe gradient (in Upper Franconia, aka ’’Oberfranken’’)