John Campbell (Scottish Gaelic: Iain Caimbeul) (died 1613) was a Scottish clergyman who served as the Protestant Bishop of Argyll from 1611 to 1613.

[1] Born in Kilmartin, he was the eldest son of Neil Campbell, Bishop of Argyll.

[2] He succeeded his father as bishop of the diocese of Argyll.

He was nominated on 1 June 1608 and consecrated sometime between 23 January and 24 February 1611.

[1][2] He married twice, first to an unnamed woman of the MacDougall of Raray family and then to Margaret, daughter of Gavin Hamilton, Bishop of Galloway.