SNV may refer to: Schweizerische Normen-Vereinigung (Swiss Association for Standardization), Swias technical association for participation in international standards development Sin Nombre virus, agent of hantavirus pulmonary syndrome Single-nucleotide variant, an example of single-nucleotide polymorphism Southern Nevada Srpsko narodno vijeće (Serb National Council), group representing ethnic Serbs in Croatia SNV (typeface), a typeface used on road signs in some countries SNV Netherlands Development Organisation (formerly Stichting Nederlandse Vrijwilligers, "Foundation of Netherlands Volunteers"), a Dutch NGO for international development SNV Valiant, U.S. Navy version of the Vultee BT-13 Valiant trainer aircraft Systemic necrotizing vasculitis (Systemic vasculitis), inflammation of blood vessels leading to necrosis