The diving competitions at the 1968 Summer Olympics in Mexico City featured four events. It was one of three aquatic sports at the Games, along with swimming, and water polo.
The events were men's and women's versions of 3m springboard and 10m platform.
The diving competitions featured up to 81 athletes.
The events are named according to the International Olympic Committee labelling, but they appeared on the official report as "springboard diving" and "high diving" (or "platform diving"), respectively.
This is a list of the nations that were represented in the diving events and, in brackets, the number of national competitors.