Flag may also refer to:

In computers:

• Flag (computing), a true/false, on/off or open/closed indicator (boolean variable)
• FLAGS register (computing), a CPU register on x86 systems
• Fiber-Optic Link Around the Globe, an undersea fiber optic cable

In mathematics

• Flag (geometry), part of a polygon, polyhedron or higher polytope
• Flag (linear algebra), an increasing sequence of subspaces of a vector space

In biology

• FLAG-tag, a unique epitope added to proteins in biochemistry
• Blue Flag Iris, or Flag, a popular wild or cultivated flower
• Purple Flag, a name for Patersonia, an Australian flower

In the arts:

• Flag (anime), a series by Kazuo Terada
• Flag (lighting), an object used to block light
• Flag (note), a part of a note value in music notation
• Flag (James Taylor album)
• Flag (Yello album)
• The Flag, an album by Rick James
• Foundation for Law And Government, a fictitious law-enforcement agency in the television show Knight Rider

In other uses:

• Flag (Scientology), Flag Land Base, the Church of Scientology's religious retreat in Florida, US
• Flags (sport), a beach sport played in surf lifesaver training
• A type of bet offered by UK bookmakers
• Flagstone, a large flat stone used for paving, fencing, or roofing
• Flemish Aerospace Group, an industry trade organization

See also