Curl
Curl or CURL may refer to:

Science and technology
Curl (mathematics), a vector operator that shows a vector field's rate of rotation
Curl (programming language), an object-oriented programming language designed for interactive Web content
cURL, a program and application library for transferring data with URLs
Antonov An-26, an aircraft, NATO reporting name CURL

Sports and weight training
Curl (association football), is spin on the ball, which will make it swerve when kicked
Curl, in the sport of curling, the curved path a stone makes on the ice or the act of playing; see Glossary of curling
Biceps curl, a weight training exercises
Leg curl, a weight training exercises
Wrist curl, a weight training exercises

Other uses
Curl (Japanese snack), a brand of corn puffs
Curl or ringlet, a lock of hair that grows in a curved, rather than straight, direction
Consortium of University Research Libraries, an association of UK academic and research libraries
Executive curl, the ring above a naval officer's gold lace or braid rank insignia

People with the surname
Kamren Curl (born 1999), American football player
Martina Gangle Curl (1906–1994), American artist and activist
Robert Curl (1933–2022), Nobel Laureate and emeritus professor of chemistry at Rice University
Rod Curl (born 1943), American professional golfer
Phil Curls (1942–2007), American politician

See also
Curling (disambiguation)
Overlap (disambiguation)
Spiral