- Judas the Zealot (Matthew 13:55; John 14:22; Acts 1:13), an apostle also called Thaddaeus or Lebbaeus (Matthew 10:3; Mark 3:18);
- Judas Iscariot (Matthew 10:4; Mark 3:19);
- The Judas called "the son of James" (Luke 6:16), may be the same with the Judas surnamed Thaddaeus. The only thing recorded regarding him is in John 14:22.
- Jude Thomas, usually identified as Thomas, a brother of Jesus and James the Just. Eusebius records the fact he had two grandsons living in the time of the Emperor Domitian who shared a farm 10 acres (40,000 m²) in size worth 9000 pieces of silver.
- The Epistle of Jude contained in the New Testament of the Bible is commonly referred as Jude.
- By internal evidence, the author of the Epistle of Jude appears to be either the Apostle Jude, or Jude the brother of Jesus. However, some scholars have dated this work a couple of generations later than the time of either Jude.
