Blank is a surname. Notable people with the surname include:
Amanda Blank, American rapper and singerArthur Blank, American businessman and a co-founder of Home DepotBarbie Blank (born 1987), American model and professional wrestling valet better known as Kelly KellyBoris Blank (musician) (born 1952), Swiss musicianHanne Blank (born 1969), American historianHarrod Blank (born 1963), American documentary filmmakerIsrael Blank, grandfather of Vladimir Lenin from mother's sideJessica Blank, American actor, playwright, and novelistJoani Blank (born 1937), writer and videographerJohann Blank (1904-1983), German water polo playerJonah Blank, American authorJoost de Blank (1908-1968), Archbishop of Cape Town, South AfricaJulius Blank, semiconductor pioneerKarl Blank (1728-1793), Russian architectKenny Blank (born 1977), American actorLes Blank (1935–2013), American documentary filmmakerMarc Blank, American computer game designerMaria Alexandrovna Ulyanova (née Blank) (1835-1916),Vladimir Lenin's motherMarion Blank, developmental psychologistMartin Blank (disambiguation)Peter Blank (born 1962), German javelin throwerRenate Blank (born 1941), German politicianStefan Blank (born 1977), German footballerSteve Blank, entrepreneurTheodor Blank (1905-1972), German politicianVictor Blank, British businessman