- DMARC stands for Domain-Based Message Authentication, Reporting & Conformance
- DMARC stands for Des Moines Area Religious Council (Des Moines, IA)
- DMARC stands for Digital Media and Arts Research Centre (University of Limerick; Ireland)
- DMARC stands for Demarcation point (telephony; interface point between phone/telecommunications systems; usually between customer and provider)
DMARC