The SPNHC membership was surveyed to develop a list of priorities for natural history collections conservation research. The survey was mailed to 548 individual and institutional members and 229 responses (42%) were analysed. Ten topics were identified by at least half of the respondents with above average priority ratings. Additional topics were rated as priorities for transfer of information, with special attention given to conservation of documentation. These priorities reflect research needs that serve multiple disciplines and complement priorities identified for conservation research in art and historical collection. This paper represents the report submitted to the agency that funded the study in fulfillment of the grant requirements.