Generally, string is a thin piece of rope or twine which is used to tie, bind, or hang other objects. String can be made from a variety of fibres.

String may also mean:

In science, computers or mathematics:

• String (computer science), a sequence of symbols or digits in computer programming
• String (physics), one of the main objects of study in string theory
• strings (Unix), a Unix programme for finding character strings in binary files
• String literal, the notation for representing a string value within the text of a computer program
• A string of nucleotides is called DNA or RNA
• A string of amino acids is called a peptide or protein
• String theory, a popular grand unified theory

In music:

• String instrument, a musical instrument that produces sound through vibrating strings
• Strings (music), flexible material that provides vibrations in string instruments
• Strings (Pakistani pop band), a pop band from Pakistan
• String (Thai pop), a genre of Thai pop music
• "Strings", the nickname of Robert Dahlqvist, guitarist of Swedish rock and roll band The Hellacopters

Other meanings:

• Twine, another name for string
• G-string, a type of underclothing that parts the buttocks without covering them
• Strings (film), a 2004 movie directed by Anders Rønnow Klarlund
• String figures, designs formed by weaving string around one's fingers
• A character controlled by Marik in the Yu-Gi-Oh! series