ST

ST, St, St. or st may refer to:

• St, or St., a contraction of Saint, especially in Christianity (female Ste)
• St, or St., a contraction of Street, a public thoroughfare
• St, or St., a contraction of Strait, a body of water
• Short ton, a unit of mass equal to 2000lb, or one ton in the United States
• Stere, a unit of volume equivalent to one cubic meter, used to measure cordwood
• Stone (weight), a unit of mass used in the British Isles and other countries
• in ordinal number abbreviations, such as 1st and 21st