William Howard, 3rd Baron Howard of Effingham (27 December 1577 – 28 November 1615) was an English nobleman, the eldest son of Charles Howard, 1st Earl of Nottingham (who as Lord Howard of Effingham famously led the English fleet against the Spanish Armada) and Catherine Carey, Lady of the chamber to Queen Elizabeth who died 25 Feb 1603 at Arundel House, Strand, Middlesex, ENG. Ann Howard, Lady Effingham played the part of "Psychrote" in The Masque of Blackness in January 1605.