Wayne Gretzky 215 (1985-86)
The 1976-1977 Montreal Canadiens hold the record for scoring the most points in a single NHL season.
Bobby Orr still has the record for most points by a defenceman in a NHL season
Wayne Gretzky 1985 Edmonton Oilers 47 points
In 1981 - 1982 he had 212 regular season points. 92 goals and 120 assists.
Wayne Gretzky has broken numerous records of having the most points.
Bobby Orr of the Boston Bruins became the first defenseman to win the NHL scoring title with 120 points in the 1969-1970 season. He set the record for most points by a defenseman and remains one of the greatest players in NHL history.
Wayne Gretzky 1985 Edmonton 47 points
Wayne Gretzky
814 Regular Season Points as of the end of the 2013-14 season
That was 163 in the 1985-86 season. Coupled with his 52 goals, he scored 215 points that season which stands as the NHL single season scoring record for a player.
Depends what season
Sidney Crosby of the Pittsburgh Penguins had 120 points total in the 2006-2007 NHL Season.