John washes his hands before every meal.

John is the king of England.

Dear John

I always wear long johns during the winter to keep warm.

John Barleycorn is a popular character in folk songs and literature.

John Bull is a nickname for the English people.

John Doe is often used as a placeholder name in legal proceedings.

John Dory is a type of fish found in the waters of New Zealand.

John the Baptist baptized Jesus in the Jordan River.