The tenth South American Junior Championships in Athletics were held in Lima, Peru, at the Estadio Nacional between October 9–13, 1974.

[1] Detailed result lists can be found on the "World Junior Athletics History" website.

[2] An unofficial count yields the number of about 239 athletes from about 9 countries: Argentina (44), Bolivia (11), Brazil (40), Chile (29), Colombia (17), Panama (10), Paraguay (11), Peru (45), Venezuela (32).

Medal winners are published for men[3] and women[4] Complete results can be found on the "World Junior Athletics History" website.

[2] * = another source[2] rather states: Hexathlon *   Host nation (Peru)