On Guard

On Guard may refer to:

Film and television

 * On Guard (serial), a 1927 film serial
 * On Guard (1984 film), an Australian film of 1984
 * On Guard (1997 film), a French swashbuckler film
 * "On Guard" (White Collar), a 2011 TV episode

Other uses

 * On Guard, a 1903 novel by Upton Sinclair
 * "On Guard", a 2021 song by Lauren Jauregui
 * "On Guard", a 2001 song by Le Tigre from Feminist Sweepstakes