The 1977Detroit Lions season was their 48th in the league. The team matched their previous season's output of 6–8. The team missed the playoffs for the seventh straight season. The Lions struggled offensively, scoring a mere 183 points while finishing in third place with a 6–8 record for the second straight season.
The 1977 coaching staff included 25-year-old assistant special teams/TEs/WRs coach Bill Belichick. Belichick would go on to win two Super Bowls as defensive coordinator with the New York Giants in 1986 and 1990, and three more as head coach of the New England Patriots in 2001, 2003 and 2004