A multi-axis roof-rack mounting system includes a bracket member and a support member coupled to the bracket member. The bracket member includes a middle portion and two arm members connected to and extending upwardly from opposing lateral edges of the middle portion. The support member includes a curved portion having an elongate opening configured to allow lateral movement of a fastener passing through the support member, one or more saddle members moveably engaged with the support member, and a clasp member. The clasp member is coupled to the fastener and configured to be receivable within a rail. The bracket member is securable to a roof of a vehicle.