A facial-interface system for a head-mounted display may include (1) a facial interface having a positioning abutment surface and (2) a facial-interface adjustment apparatus. The facial-interface adjustment apparatus may include a positioning member that is rotatable about a pivot, the positioning member comprising an extending surface and a contracting surface. The facial-interface adjustment apparatus may also include an actuation member that that is movable to rotate the positioning member about the pivot between (1) an extended holding position in which the extending surface of the positioning member faces and abuts the positioning abutment surface of the facial interface, and (2) a contracted holding position in which the contracting surface of the positioning member faces and abuts the positioning abutment surface of the facial interface. Various other systems, devices, and methods are also disclosed.
