Viator is an academic peer-reviewed journal published by Brepols for the University of California, Los Angeles.

Founded in 1971 by Lynn Townsend White Jr., the journal published its 50th volume in 2020.

In 2021, Viator adopted a new mission statement and assembled a new External Editorial Board.

The journal is housed at UCLA's CMRS Center for Early Global Studies.

Viator published a special issue in 2011, Medieval manuscripts, their makers and users : a special issue of Viator in honor of Richard and Mary Rouse, edited by Christopher Baswell (ISBN 9782503538945).