List of Southeastern Conference national championships

The list of Southeastern Conference national championships begins in 1933, the first year of competition for the Southeastern Conference (SEC), and includes 214 team national championships sanctioned by the National Collegiate Athletic Association (NCAA), and four additional national championships sanctioned by the Association for Intercollegiate Athletics for Women (AIAW), won by current conference members through the end of the 2023–24 school year. SEC members won eight national championships in 2023–24—Arkansas in women's indoor and outdoor track, Auburn in men's golf, Florida in men's outdoor track, LSU in women's gymnastics, South Carolina in women's basketball, Tennessee in baseball, and Texas A&M in women's tennis. Also in 2023–24, both new members won at least one national title as members of the Big 12 ConferenceOklahoma in softball and Texas in women's rowing and women's volleyball. So far in 2024–25, SEC members have claimed championships in men's basketball (Florida), women's gymnastics (Oklahoma), men's swimming & diving (Texas), softball (Texas), and women's tennis (Georgia).

The SEC has averaged almost seven national championships per year since 1990.

Listed below are all championship teams of NCAA-sponsored events, as well as the titles won in football and equestrian, which are not official NCAA-sanctioned championships. Conference members have won at least one title in every sponsored sport in which the SEC participates. Kentucky completed this feat by winning the 2020 National Championship in women's volleyball on April 24, 2021. Between 1979 and 1982, teams representing current member universities also claimed four AIAW Championships.