The Mixed 49er was a sailing event on the Sailing at the 2004 Summer Olympics program in Agios Kosmas Olympic Sailing Centre.

[1] sixteen races were scheduled and completed with two discards.

38 sailors, on 19 boats, from 19 nation competed.

[2][3]

Legend: DNC – Did not come to the starting area; DNF – Did not finish; DSQ – Disqualified; OCS – On the course side of the starting line; RDG – Redress given; Discard is crossed out and does not count for the overall result.