Buckler (disambiguation)

A buckler is a small shield used as a companion weapon

It may also refer to:
 * Buckler, a low alcohol beer brewed by Heineken
 * Buckler Cars, a British car company of the 1940s–1960s
 * Buckler (nautical), a portable cover secured over a hawsepipe opening
 * Buckler (surname), persons surnamed Buckler