Kelvin is a surname. Notable people with this surname include: Arthur Kelvin (born 1869), Scottish footballer Ray Kelvin (born 1955), British businessman Rob Kelvin (born 1944), Australian newsman Kris Kelvin, a fictional character, the protagonist of the novel Solaris by Stanislaw Lem and in three films based on the novel
See also Lord Kelvin (William Thomson, 1st Baron Kelvin, 1824–1907), British engineer and physicist, the namesake of the kelvin temperature unit Kelvin (given name)