<Li> Los Angeles Chargers (played as San Diego Chargers in Super Bowl XXIX, 1994 season) </Li> <P> Eight teams have appeared in the Super Bowl without ever winning . In descending order of number of appearances, they are: </P> <Ul> <Li> Minnesota Vikings (4), appeared in Super Bowls IV, VIII, IX, and XI . They won the NFL Championship Game in 1969, the last year before the AFL--NFL merger, but failed to win the subsequent Super Bowl . An NFL expansion team in 1961, they have no pre-Super Bowl league championships . </Li> <Li> Buffalo Bills (4), appeared in Super Bowls XXV, XXVI, XXVII, and XXVIII . Their second and last AFL championship was in 1965, the season before the first Super Bowl . </Li> <Li> Cincinnati Bengals (2), appeared in Super Bowls XVI and XXIII . An AFL expansion team in 1968, they have no pre-Super Bowl league championships . </Li> <Li> Atlanta Falcons (2), appeared in Super Bowls XXXIII and LI . An expansion team in 1966, they have no pre-Super Bowl league championships . </Li> <Li> Carolina Panthers (2), appeared in Super Bowls XXXVIII and 50 . A post-merger expansion team, their first season was in 1995 . </Li> <Li> Arizona Cardinals (1), appeared in Super Bowl XLIII . Their last championship was in 1947 as the Chicago Cardinals . </Li> <Li> Los Angeles Chargers (1), appeared in Super Bowl XXIX as the San Diego Chargers . Their only AFL championship was in 1963 . </Li> <Li> Tennessee Titans (1), appeared in Super Bowl XXXIV . They won the first two AFL Championships in 1960 and 1961 as the Houston Oilers . </Li> </Ul> <Li> Minnesota Vikings (4), appeared in Super Bowls IV, VIII, IX, and XI . They won the NFL Championship Game in 1969, the last year before the AFL--NFL merger, but failed to win the subsequent Super Bowl . An NFL expansion team in 1961, they have no pre-Super Bowl league championships . </Li>

Who lost the most super bowls in nfl history