The 1982 Schweppes County Championship was the 83rd officially organised running of the County Championship. Middlesex won the Championship title.^[1][2] The Championship was sponsored by Schweppes for the fifth time.

• 16 points for a win
• 8 points to each side for a tie
• 8 points to side still batting in a match in which scores finish level
• Bonus points awarded in the first 100 overs of the first innings
  • Batting: 150 runs - 1 point, 200 runs - 2 points 250 runs - 3 points, 300 runs - 4 points
  • Bowling: 3-4 wickets - 1 point, 5-6 wickets - 2 points 7-8 wickets - 3 points, 9-10 wickets - 4 points
• No bonus points awarded in a match starting with less than 8 hours' play remaining. A one-innings match is played, with the winner gaining 12 points.
• Position determined by points gained. If equal, then decided on most wins.
• Each team plays 22 matches.