YLS Views 12 meanings found YLS most commonly denotes Yale Law School, but it also labels youth leadership programs and professional groups for young lawyers. Miscellaneous Your Little Sister Community Young Leadership Series Youth Leadership School Youth Lacrosse System Youth Leadership Summit Governmental Young Lawyer Section Young Lawyers Section Academic & Science Yearbook of Langland Studies Yale Law School Young Leaders Society Regional Lebel-Sur Quevillon, Quebec, Canada Sports Yuri Lavrynenko Soccer