John Goodwin may refer to:

Politicians

• John Goodwin (Parliamentarian) (1603–1674), Member of Parliament for Reigate
• John B. Goodwin (1850–1921), Mayor of Atlanta, Georgia in the late 1880s
• John Noble Goodwin (1824–1887), 1st Governor of Arizona Territory and U.S. Representative from Maine
• John Goodwin (British Army officer) (1871–1960), British Army officer and Governor of Queensland
• John A. Goodwin (1824–1884), U.S. educator, journalist and politician

Religion

• John Goodwin (preacher) (1594–1665), English preacher and religious writer
• John W. Goodwin (1869–1945), General Superintendent of the Church of the Nazarene

Others

• Jackie Goodwin (1920–1995), English footballer with Brentford
• J. Cheever Goodwin (1850–1912), American musical theatre librettist, lyricist and producer
• John B. L. Goodwin (1912–1994), American author and poet
• John Goodwin (author) (born 1878), pen name of Sidney Floyd Gowing, novels such as The House of Marney adapted for film
• Jon Goodwin (canoeist) (born 1943), British slalom canoeist
• John Goodwin (footballer) (1887–1954), Scottish footballer with Rangers and Ayr United
• John Goodwin (ice hockey) (born 1961), Emms Family Award winner and coach
• John Goodwin (mason), Boston mason involved in the Salem witch trials
• John Goodwin (theatre publicist) (1921–2018), theatre publicist, writer and editor
• John Magnin Goodwin, songwriter and composer, collaborated with Amy Holland and Bernie Chiaravalle
• John Thomas Hill Goodwin (1865–1950), Australian surveyor and public servant