STRS or Strs may refer to:

Short tandem repeats, in DNA testing St. Thomas Residential School, Thiruvananthapuram, Kerala, India Sir Thomas Rich's School, Longlevens, Gloucester, England South Thames Retrieval Service, a medical transport service affiliated with Evelina Children's Hospital, London Sprouse-Reitz (NASDAQ symbol: STRS), a defunct American retail chain Strauss Group (Tel Aviv Stock Exchange symbol: STRS), an Israeli food company

See also STR (disambiguation) California State Teachers' Retirement System, (CalSTRS)