Brian Thomas Littrell
- Nicknames: B-Rok, Seaver, Mr. Joker, B
- Birth Date: February 20, 1975
- Zodiac Sign: Pisces
- Birth Place: Lexington, Kentucky
- Current Residence: Orlando, Florida
- Weight: 135 pounds
- Height: 5'7"
- Hair: Dirty blond
- Eyes: Blue
- Parents: Harold and Jackie Littrell
- Sibling: Older brother Harold
- Most Famous Cousin: Kevin Richardson
- Pet: A cat named Missy
- First Ambitions: Singing and sports
- Musical Instrument: Trumpet
- High School: Tates Creek High School
- Car: Jeep
