The Archdeacon of Caithness was the only archdeacon in the Diocese of Caithness, acting as a deputy of the Bishop of Caithness. The following is a list of known historical archdeacons:

• John, fl. 1296
• Fercard Belegaumbe, fl. 1297-1304 x
• Andrew de Hirdmaniston, fl. 1328-1329
• John Todd, fl. 1329
• William de Forres, fl. 1355
• John de Lancford, 1358
• John de Moray, fl. 1365
• William Forrester, fl. 1382
• John de Innes, fl. 1396-1398
• Alexander Vaus, 1398-x 1407 ^[1]
• Alexander Barber, 1407-1419 x 1421
• Thomas de Greenlaw, 1414-1419 x 1428
• Nicholas Tunnok, 1421-1422
• Thomas Duncan, 1426
• Thomas Tulloch, 1428-1437 ^[2]
• James Bruce, 1437
• Laurence Piot, 1437-1440 ^[3]
• Alexander Rattray, 1438-1440 x 1443
• Alexander Lichton, 1440
• David Reid, 1440
• David Stewart, 1440
• James Innes, 1440-1442
• Richard Dor, 1441
• William Sutherland, 1443-1443 x 1445
• Richard Holland, 1443 x 1445-1448
• Alexander Sutherland, 1445-1477
• Hector Tulloch, 1445
• James Forrester, 1497-1498
• George Stewart, fl. 1512
• John Dingwall, 1516-1532 x 1533
• James Brady, 1525-1556
• William Gordon, 1529
• John Sinclair, 1550 x 1551-1574 x 1578
• Robert Innes, 1577-1581
• Zachary Pont, 1608
• Richard Merchiston, 1619-1626 x 1633

• Watt, D.E.R., Fasti Ecclesiae Scotinanae Medii Aevi ad annum 1638, 2nd Draft, (St Andrews, 1969), pp. 70–3

• Bishop of Caithness