The Men's 100 metres T12 event for the 2000 Summer Paralympics took place at the Stadium Australia.

Athletes in this category will generally have some residual sight, the ability to recognise the shape of a hand at a distance of 2 metres and the ability to perceive clearly will be no more than 2/60.

T12 athletes commonly run with guides.

Athletes qualified for the semi-final if they won their heat or achieved one of the 2 fastest other times.

Athletes qualified for the final if they won their race, or achieved one of the next 2 fastest times.