The 1970 New Orleans Saints season was the team's fourth as a member of the National Football League. After spending their first three seasons in the NFL's Eastern Conference, the Saints moved in 1970 to the West Division of the new National Football Conference. They failed to improve on their previous season's output of 5–9, winning only two games, and failed to qualify for the playoffs for the fourth consecutive season.
Following a 1–5–1 start, head coach Tom Fears was fired by owner John W. Mecom Jr. and replaced by J.D.