Outline may refer to:

• Outline, a note-taking application for iOS and OS X.
• Outline drawing, a sketch depicting the outer edges of a person or object, without interior details or shading.
• Outline (list), a document summary, in hierarchical list format. A type of tree structure.
• Outline typeface, in typography
• Outline, the representation of a word in shorthand
• The Outline, an experimental band from Los Angeles, CA