Coyne is a surname of Irish origin anglicised from the Gaelic Ó Cadhain meaning "descendant of Cadhan". Notable people with the surname include:
Andre Coyne, dam engineer
Andrew Coyne, journalist
Bernard Coyne (bishop), Bishop of Elphin from 1913 to 1926
Brian Coyne, footballer
Christopher Coyne (disambiguation), multiple people
Dale Coyne, auto racer
Danny Coyne, footballer
Deborah Coyne, lawyer, professor and author
Declan Coyne, a fictional character in Degrassi: The Next Generation
Fiona Coyne, a fictional character in Degrassi: The Next Generation
Frank J. Coyne, CEO of Insurance Services Office, Inc. (ISO)
George Coyne, priest and astronomer
James Coyne, Bank of Canada official
Jamie Coyne, footballer
Jeanne Coyne, broadway dancer and choreographer
Jerry Coyne, American professor of biology
John Coyne, Canadian politician
John Coyne, American writer
Joseph Coyne, American stage actor who achieved fame in Edwardian Musical Comedy in London's West End, such as The Merry Widow
Joseph Stirling Coyne, Prolific British playwright from the mid-nineteenth century
Joshua Coyne, American classical musician
Kevin Coyne, composer, writer and painter
Mark Coyne, American musician
Mark Coyne, Australian rugby league footballer
Máirtín Ó Cadhain, Irish-language modernist writer
Max Coyne, member of the French Resistance during World War II
Michael L. Coyne, Associate Dean and Law Professor at the Massachusetts School of Law
Patrick Coyne, editor
Paul Coyne, TV & film producer
Peter Coyne (disambiguation), several people with that name
Richard Coyne, Professor of Architectural Computing
Richard Coyne, commercial artist
Thelma Coyne, tennis player
Wayne Coyne, musician
William J. Coyne, American politician
Evan Coyne Maloney, video blogger
Patrick James Coyne, contractor & #1 Redhead EVER
