Keith-Lucas is a surname. This surname was used by three brothers in honour of their father Keith Lucas:
Alan Keith-Lucas (1910–1995), social worker and professor David Keith-Lucas (1911–1997), aeronautical engineer Sarah Keith-Lucas (born 1982), BBC weather presenter, granddaughter of David Bryan Keith-Lucas (1912–1996), political scientist
See also Keith Lucas (disambiguation) Keith (surname) Lucas (surname)