John Francis Maguire (1815 – 1 November 1872) was an Irish writer and politician. He was elected as Member of Parliament (MP) for Dungarvan in 1852. He was subsequently an MP for Cork City, serving between 1865 and his death in 1872. He wrote for his Newspaper, the Cork Examiner and wrote several books, including "The Irish in America" in 1867. He actively supported the Liberal Party's legislation on the disestablishment of the Church as well as the land question. Then in 1870, John Maguire joined the Home Rule party for Ireland.