Flagging

Flagging may refer to:


 * Running out of time on a chess clock
 * Flagging (tape), a colored non-adhesive tape used in marking objects
 * Flagging (shipping) of a merchant vessel under the laws of a flag state
 * The activities of a flagger (disambiguation)
 * Handkerchief code, a use of color-coded bandannas in the gay and BDSM communities
 * Flagging (botany), a growth pattern that reduces or eliminates growth on one side of a tree or other plant
 * Flagging (climbing), a rock climbing technique
 * Allowing a sail on a sailboat to luff completely - flapping in the wind like a flag.