David de Lindsay, Lord of Barnweill and Byres (died 1279), was a Scottish knight and crusader.
A minor baronial lord, he was the son of David de Lindsay and held lands in East Lothian and South Ayrshire.
He rose to further national prominence as a supporter of the Comyns during the minority of Alexander III of Scotland, becoming a regent in 1255 and royal Lord Chamberlain of Scotland in 1255 serving until 1257.
He went on the Ninth Crusade with Louis IX of France in 1268, and died in Egypt, c.
[1] David married Margaret de Lindsay, possibly of the Lamberton Lindsay family, they are known to have had the following known issue: [2] This biography of a Scottish peer or noble is a stub.