2010 IAAF World Indoor Championships – Men's 800 metres

The men's 800 metres at the 2010 IAAF World Indoor Championships was held at the ASPIRE Dome on 12, 13 and 14 March.

Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the semifinals.

Qualification: First 3 in each heat (Q) advance to the final.