PFAS (disambiguation)

PFAS or PFASs are per- and polyfluoroalkyl substances, a large class of synthetic chemicals.

PFAS or PFASS may also refer to:

Oral allergy syndrome (pollen-food allergy syndrome) Phosphoribosylformylglycinamidine synthase, an enzyme Personal fall arrest system, in workplace safety Philadelphia Female Anti-Slavery Society Partial fetal alcohol syndrome