John Forbes, 6th Lord Forbes (died 1547) was a Scottish landowner.
He was the son of William Forbes, 3rd Lord Forbes and Christian Gordon, daughter of Alexander Gordon, 1st Earl of Huntly.
He became Lord Forbes after the death of his brother Arthur in 1493.[1]
In 1528 he accompanied James V to Edinburgh from Stirling Castle and swore the "great oath" against the Douglas family.[2]
He was involved in a feud in Aberdeen and the killing of Alexander Seton of Meldrum. In 1530 he was ordered to compensate Lord Elphinstone for an attack on Kildrummy Castle in 1525.[3]
In 1536 he was charged with treason and was imprisoned in Edinburgh Castle and was released in 1538.[4]
In 1542 Forbes and the Earl of Huntly fought in the north of Scotland.[5]
He died in 1547.