Firooz Zahedi. 1 portrait.

Vittore Zanetti (circa 1746-1855). 1 portrait.

Zapp & Bennett (active 1885). 3 portraits.

Alexander Zeitlin (born 1872). 1 portrait.

John Christian Zeitter (active 1824-died 1862). 1 portrait.

Zenith Portrait Studio. 1 portrait.

Charlotte Zethen (active 1792). 1 portrait.

Paul de Zetter (circa 1600-1667). 1 portrait.

Count Zichy (Count Theodor Zichy) (1908-1983). 39 portraits.

Tom Zimberoff. 3 portraits.

Christian Friedrich Zincke (1684?-1767). 24 portraits.

Anna Katrina Zinkeisen (Mrs Heseltine) (1901-1976). 2 portraits.

Doris Clare Zinkeisen (1897-1991). 2 portraits.

Michael Zinn (1963-). 1 portrait.

George Zobel (1810-1881). 50 portraits.

Johan Joseph Zoffany (1733-1810). 46 portraits.

Anders Leonard Zorn (1860-1920). 1 portrait.

Zorn & Co (active mid 19th century). 1 portrait.

Georgiana Margaretta Zornlin (1800-1881). 2 portraits.

Zschoch (active 1750-1800). 2 portraits.

Federico Zuccaro (1539 or 1540-1609). 28 portraits.

Marek Zulawski (1908-1985). No portraits.

Charles ('Chuck') Zuretti. 1 portrait.

Astrid Zydower (1930-2005). 1 portrait.