Wigwag, wig wag, or wig-wag may refer to:
Signalling devices Wigwag (railroad), a type of railroad grade crossing signal once used in the United States Wigwag (UK level crossing), a pair of alternately flashing lights used in the UK for various road warnings Wigwag (flag signals), a type of flag signal Wig-wag (sound stage), a red light indicating filming is in progress Wig-wag (automobile), headlight flasher Wig wag (truck braking systems), a mechanical arm indicating low brake pressure
Other uses Wigwag (magazine), an American magazine published 1988 to 1991 Curly Wurly, an English candy bar, known as Wigwag in Canada
See also Wigwam Wigwig