William Thomson

| doctoral_advisor = | academic_advisors = William Hopkins | doctoral_students = | notable_students = | known_for = absolutna temperaturna lestvica
drugi zakon termodinamike
raziskave elektrike in magnetizma
hidrodinamika, ... | author_abbrev_bot = | author_abbrev_zoo = | influences = | influenced = Andrew Gray | awards = | religion = Škotska cerkev | signature = | footnotes = It is believed the "PNP" in his signature stands for "Professor of Natural Philosophy." Note that Kelvin also wrote under the pseudonym "P. Q. R." }}

Sir William Thomson, prvi Largški baron Kelvin (splošno znan kot lord Kelvin), PRS, škotski fizik in inženir, * 26. junij 1824, Belfast, Irska, † 17. december 1907, Netherhall pri Largsu, Ayrshire, Škotska.

Po njem se imenuje osnovna enota SI za absolutno temperaturo kelvin. V Wikipediji