The Men's 470 was a sailing event on the Sailing at the 2008 Summer Olympics program in Qingdao International Sailing Centre, in the 470 dinghy. Eleven races were scheduled and completed. 58 sailors, on 29 boats, from 29 nations competed. Ten boats qualified for the medal race.

The 470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting. Equipped with a spinnaker, trapeze and a large sail-area-to-weight ratio, it is designed to plane easily, and good teamwork is necessary to sail it well. The name comes from the boat's length of 470 centimetres.