The title The War of the Ring could refer several works named for the War of the Ring in JRR Tolkien's The Lord of the Rings.

• The fourth book in The History of The Lord of the Rings, a series about the writing of the Lord of the Rings
• A posthumous name given to book V of the Lord of the Rings, the first half of The Return of the King
• A suggested title for The Return of the King