Biographies newly added or de-stubbed:
- Gerhard Douw*
- Gustavus Katterfelto*
- Angelica Kauffmann*
- Wilhelm von Kaulbach*
- Johann Jakob Kaup*
- Julia Kavanagh*
- John Kay*
- Joseph Kay*
- Emanuel Kayser*
- Ferenc Kazinczy*
- Annie Keary*
- John Keate*
- Mary Anne Keeley*
- Charles Keene*
- Laura Keene*
- Robert Porter Keep*
- Karl Theodor Keim*
- Keith (family)*
- Albert Keller*
- Clara Louise Kellogg*
- Hugh Kelly*
- Michael Kelly*
- Kemble (family)*
- Adelaide Kemble*
- Zsigmond Kemény*
- William Kemp*
- Dave Lebling
- Léo Taxil
- Eduard Totleben*
- Giovanni Trapattoni
- Gustav Friedrich Waagen*
- Elizabeth Whitlock*
(* = based on 1911 Britannica)