The final of the women's 200 metre individual medley event at the 1984 Summer Olympics was held in the McDonald's Olympic Swim Stadium in Los Angeles, California, on August 3, 1984.

[1] The event was reintroduced to the Olympic program after a 12-year absence.

Prior to this competition, the existing world and Olympic records were as follows.

The following records were established during the competition: Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).

[2]