Johann Christian Bach - Thomas Gainsborough

Johann Christian Fischer (1733-1800) - Thomas Gainsborough

John Bragge (1741–1784) - Thomas Gainsborough

John Campbell, 4. hertug af Argyll - Thomas Gainsborough

John Hayes St Léger (1765-1800) - Thomas Gainsborough

John Henderson - Thomas Gainsborough

John Hobart (1723–1793), 2. greve af Buckinghamshire - Thomas Gainsborough

John Hobart, 2. greve af Buckinghamshire (1723-1793) - Thomas Gainsborough

John Joshua Kirby (1716–1774) - Thomas Gainsborough

John Kirby - Thomas Gainsborough

John Meller (1665-1733), chef for den Høje Domstol i Chanceriet - Thomas Gainsborough

John Montagu, 1718-1792, 4. greve af Sandwich, 1. Lord af Admiralitetsen - Thomas Gainsborough

John Needham, 10. vicomte Kilmorey - Thomas Gainsborough

John Plampin - Thomas Gainsborough

John Purling (1727–1801) - Thomas Gainsborough

John Russell, 4. hertug af Bedford - Thomas Gainsborough

John Sparrowe, bailli d'Ipswich - Thomas Gainsborough

John Talbot (?1717-1778) - Thomas Gainsborough

John Taylor - Thomas Gainsborough

John Thornton (1720–1790) - Thomas Gainsborough

John Vere (død i 1790) - Thomas Gainsborough

John Warren (1730–1800), biskop af Bangor - Thomas Gainsborough

John Wilkinson - Thomas Gainsborough