Naško Križnar is a filmmaker and one of the members of the OHO group.
Naško Križnar graduated in Ethnology from the University of Ljubljana. He engaged in film-making, and he authored the majority of OHO films, as well as films documenting the exhibitions of the group or its members, and their projects. As part of the activity within the OHO group, he also created photo projects, concrete poetry, created an OHO edition etc.
In later years, he created many ethnographic films. He worked at the Institute for Ethnology under the Academy of Sciences and Arts in Ljubljana.