The Cleveland Cavaliers (also known simply as the Cavs) are an American professional basketball team based in Cleveland, Ohio. They began playing in the National Basketball Association (NBA) in 1970. This list summarizes the team's season-by-season records, including post-season, and includes select season-end awards won by the team's players and/or coaches. The Cavaliers were founded in 1970 as an expansion franchise and since their first season, they have always played in the Central Division and the Eastern Conference.
On October 14, 1970, the Cavs lost to the Buffalo Braves 92–107 in their first game.