Naško Križnar is a filmmaker and one of the members of the OHO group.
Naško Križnar graduated Ethnology at the University of Ljubljana. He engaged in film-making, and he author the majority of OHO films, as well as films documenting the exhibitions of the group or its members, as well as 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.