In linguistics, the term cline refers to a list of words dealing with the same concept, arranged in order of intensity. For example a list could be made with words like "freezing", "cold", "cool", "tepid", "warm", "hot", and "scorching".

Patsy Cline (1932-1963), country music star

Eric Cline (b. 1955), Canadian politician

Cline (population genetics), a gradual change of a character or feature (phenotype) in a species over a geographical area.

Melanie Cline (b. 1975), American BMX racer

Thermocline, a layer within a body of water or air where the temperature changes with depth.

Nels Cline (b. 1956), American guitarist and composer

Antonov An-32, NATO reporting name of Cline

Gene Clines (b. 1946), American baseball player

Sperry Cline (d. 1964), Canadian frontier policeman

Ollie Cline (1925-2001), American football player

Leticia Cline (b. 1978), American model and wrestling personality

Isaac Cline (1861-1955), American meteorologist

Russell Cline, American currency trader and conman

Hoyt Franklin Clines (d. 1994), American murderer

Kristi Cline (b. 1980), Playboy playmate

Martin Cline (b. 1934), American geneticist

Edward Cline, American screenwriter and director

Ty Cline (b. 1939), American baseball player

Ernest Cline (b. 1972), American comedian and screenwriter

Reginald Cline-Cole, Sierra Leonean professor of developmental geography

Klein (disambiguation)

Dylan and Jordan Cline (b. 2003), twin American child actors

Victor Cline, prominent American psychoanalyst