William Richard Lavender (1877 – 13 August 1915) was an English painter.

His major works were "Young girl collecting fruit" (1901) "The first observed Transit of the Planet Venus predicted & observed by Jeremiah Horrocks, 24th November 1639" (1903) "In disgrace" (1905) and "Portrait of Giovanni Pergolesi".

William Lavender was buried in Southport, Duke Street Cemetery (Section U, plot No. 6486).