SY Views 19 meanings found SY is used as an abbreviation for Syria in geographic contexts, for academic periods like a school or second year, for the unit square yard, and occasionally for the band Sonic Youth. Miscellaneous Solar Yellow Sugar Year Slight Yellowing Square Yard South Yorkshire Stem Y Community School Year Smokey Yunick Sahaja Yoga Sonic Youth Governmental Sylvania East Sylvania West Security Yard Solicitation Year Shoulder Yaw Academic & Science Second Year Regional Syria Internet Sexy Young Business Sybase, Inc.