Guyana at the 1968 Summer Olympics

Guyana competed at the 1968 Summer Olympics in Mexico City, Mexico. The Games were hosted from October 13 through October 20, with 1,028 participants (785 men and 243 women) representing 92 countries.

They fielded five competitors, all men.

Athletics
Men's marathon
 * Harry Prowell &mdash; 2:57.01.4 hrs (→ 50th place)

Boxing
Bantamweight (54 kg)
 * Dhanraj Singh
 * Round 2 - Lost to Samuel Mbugua of Kenya

Middleweight (75 kg)
 * Charles Amos
 * Round of 16 - Lost to Wiesław Rudkowski of Poland

Cycling
1000 metres time trial
 * Aubrey Bryce &mdash; 1:12.73 min (→ 31st place)

Sprint
 * Aubrey Bryce
 * Round 1 &mdash; 3rd place in heat (→ advanced to repechage)
 * Repechage &mdash; 3rd place in heat (→ did not advance)

Weightlifting
Light heavyweight (82.5 kg)
 * Rudolph James
 * Press &mdash; 120.0
 * Snatch &mdash; 127.5
 * Snatch &mdash; 165.0
 * Total &mdash; 412.5 (→ 19th place)