FLS may refer to:

Places Flinders Island Airport, in Tasmania, Australia Fordham Law School in New York City, US Free Library of Springfield Township in Wyndmoor, Pennsylvania, US Frontline States, a former anti-apartheid organization

Organizations Fellow of the Linnean Society Fiji Law Society Flowserve, a US industrial machinery supplier FLSmidth, a Danish technology company The Folklore Society, UK Forestry and Land Scotland

Science Fibroblast-like synoviocyte, a cell type

See also FL (disambiguation)