Sr

Sr, Sr. or sr as an abbreviation may refer to:

  • Senior, a suffix to a person's name, usually male
  • Serbian language (ISO 639 alpha-2)
  • Sister, a prefix to a religious sister's name
  • Strontium, the 38th element on the periodic table
  • The symbol of Steradian, metric (SI) unit of solid angle
  • The Sunderland postcode area in the UK
  • Suriname, a country in South America
    • .sr, Suriname's Internet top-level domain