Featherby is a surname. Notable people with the surname include:
Clive Featherby (1933–2019), British motorcycle speedway rider Len Featherby (1905–1972), English footballer Peter Featherby (born 1951), Australian rules footballer John Robert Featherby (1848–1922), English brick manufacturer, businessman, and civic leader William Featherby (1888–1958), English cricketer
Fictional characters Mrs. Featherby, character on the TV show DuckTales