The men's 10 kilometres walk event at the 1948 Summer Olympic Games took place from 3 to 7 August.

The final was won by Swede John Mikaelsson.

[1] Prior to the competition, the existing World and Olympic records were as follows.

The following new Olympic record was set during this competition: All times are British Summer Time (UTC+1) Round 1 took place on 3 August.

The first five competitors from each heat advanced to the final.