FASL Views 6 meanings found FASL is used as a locality code for Sutherland, South Africa, and appears in everyday measurements (feet above sea level), fantasy sports leagues, local service organisations, and academic discussions of Slavic linguistics. Miscellaneous Fundação António Silva Leal Fredericksburg Area Service League Feet Above Sea Level Academic & Science Formal Approaches to Slavic Linguistics Regional Sutherland, South Africa Sports Fantasy Action Sports League