List of Famous people named John

John of Isenburg-Grenzau was the Count of Isenburg-Grenzau from 1554 until 1556, and the Archbishop-Elector of Trier from 1547 until 1556.

John Brooks was a doctor, military officer, and politician from Massachusetts. He served as the 11th Governor of Massachusetts from 1816 to 1823, and was one of the last Federalist officials elected in the United States.

Johann IV, Count of Katzenelnbogen was one of the last members of the younger line of the Hessian House of Katzenelnbogen. He ruled the reunited County of Katzenelnbogen.

John William Foster, of Rosy Park, was an Anglo-Irish volunteer and politician.

John Butler, known as John Butler of Kilcash, a member of the Irish landed gentry, was de jure 15th Earl of Ormonde and 8th Earl of Ossory. He did not assume these titles as he thought them forfeit by the attainder of the 2nd Duke of Ormond. He did, however, inherit the Ormond estate from the 1st Earl of Arran through Arran's sister Amelia. In 1791, the title of Earl of Ormond would be successfully claimed by his cousin, the 17th Earl.

Sir John Ferrers (1566–1633) was an English landowner and politician who sat in the House of Commons at various times between 1586 and 1611.

John Paul Papanicolaou was a Greek businessman active in the shipping industry. A friend of the Onassis family, he is best known for his purchase and restoration of the Onassis yacht, Christina O, and purchase and conversion of the now decaying former Yugoslavian presidential yacht Galeb, which was the third largest yacht in the world at one time.