The 1973 County Championship was the 74th officially organised running of the County Championship.^[1] Hampshire won the Championship title.

Points system

• 10 points for a win
• 5 points to each side for a tie
• 5 points to side still batting in a match in which scores finish level
• Bonus points awarded in first 85 overs of first innings
• Batting: 1 point for 75 runs in first 25 overs
• 1 point for 150 runs in first 50 overs
• 1 point for each 25 runs above 150
• Bowling: 1 point for every 2 wickets taken
• No bonus points awarded in a match starting with less than 8 hours' play remaining.
• Position determined by points gained. If equal, then decided on most wins.
• Each team plays 20 matches.
• All counties required to achieve an overall average of at least 18.5 overs per hour. Teams failing to reach this rate fined £500, the total of all such fines being shared equally between those teams averaging 19.5 overs per hour or better.

^[2]

Table