1989 IAAF World Indoor Championships – Men's 800 metres

The men's 800 metres event at the 1989 IAAF World Indoor Championships was held at the Budapest Sportcsarnok in Budapest on 3 and 4 March.

Heats
The winner of each heat (Q) and next 8 fastest (q) qualified for the semifinals.

Semifinals
First 3 of each semifinal (Q) qualified directly for the final.