Vinculum may refer to:
Vinculum (insect anatomy), a male genital structure in moths and butterflies Vinculum (ligament), a band of connective tissue, similar to a ligament, that connects a flexor tendon to a phalanx bone Vinculum (symbol), a horizontal line used in mathematical notation for a specific purpose Vinculum, a piece of Borg technology featured in the Star Trek:Voyager episode "Infinite Regress" Vinculum juris, a Latin phrase meaning "the chain of the law", which denotes that something is legally binding Ligamen, a concept in Catholic canon law