This is a list of Essex List A cricket records; that is, record team and individual performances in List A cricket for Essex. Records for Essex in first-class cricket, the longer form of the game, are found at List of Essex first-class cricket records.
Team notation: When a team score is listed as "300-3", this indicates that they have scored 300 runs for the loss of 3 wickets. If it is followed by a "d", this indicates that the side declared. When the team score is listed as "300", this means the side was all out.
Batting notation: When a batsman's score is listed as "100", the batsman scored 100 runs and was out. If it followed by an asterisk *, the batsman was not out.
Bowling notation: "5/100" indicates that the bowler took 5 wickets while conceding 100 runs.