- At 13, he convinced his father to buy a car and race it; Matt would work on it until he was old enough to drive it.
- Named Raybestos Rookie of the Year in 2000, beating out Dale Earnhardt Jr.
- Won the 2003 Winston Cup after having won just one race all season, leading to criticism of the points system by others in NASCAR; 2004 saw the implementation of a new playoff-type system called the Chase for the Cup.
- In 2008, became one of just two drivers to qualify for the Chase for the Cup in each of the first five years of the playoff format.
- In 2009, failed to qualify for the Chase for the first time.
- The Matt Kenseth Museum and Fan Club is located in Cambridge, WI.
- Ross Kenseth — Son
- Kelley Maruszewski — Sister
- Katie Kenseth — Wife
- Kaylin Nicola Kenseth — Daughter
- Roy Kenseth — Father