Drillia is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).
Soorten Drillia acapulcana (Lowe, 1935) Drillia aerope (Dall, 1919) Drillia albicostata (Sowerby I, 1834) Drillia albomaculata (C. B. Adams, 1845) Drillia alcyonea Melvill & Standen, 1901 Drillia altispira Sysoev, 1996 Drillia amblytera (Bush, 1893) Drillia angolensis Odhner, 1923 Drillia annielonae Nolf & Verstraeten, 2007 Drillia armilla Barnard, 1958 Drillia asra Thiele, 1925 Drillia audax Melvill & Standen, 1903 Drillia ballista Maltzan, 1883 Drillia barkliensis H. Adams, 1869 Drillia bruchia Barnard, 1958 Drillia bruuni Knudsen, 1952 Drillia caffra (E. A. Smith, 1882) Drillia cecchii Jousseaume, 1891 Drillia clionellaeformis (Weinkauff & Kobelt, 1875) Drillia collina Barnard, 1958 Drillia connelli Kilburn, 1988 Drillia cunninghamae McLean & Poorman, 1971 Drillia dakarensis Knudsen, 1956 Drillia diasi Barnard, 1958 Drillia dovyalis Barnard, 1969 Drillia dunkeri (Weinkauff, 1876) Drillia enna (Dall, 1918) Drillia erepta Barnard, 1969 Drillia ghyooti Nolf, 2008 Drillia gibberulus (Hervier, 1896) Drillia griffithii (Reeve, 1843) Drillia havanensis (Dall, 1881) Drillia idalinae Bernard & Nicolay, 1984 Drillia incerta (E. A. Smith, 1877) Drillia indra Thiele, 1925 Drillia inornata McLean & Poorman, 1971 Drillia investigatoris E. A. Smith, 1899 Drillia katiae Nolf, 2006 Drillia knudseni Tippett, 2006 Drillia kophameli Strebel, 1905 Drillia latisulcus Barnard, 1958 Drillia lea Thiele, 1925 Drillia lignaria (Sowerby III, 1903) Drillia macilenta (Melvill, 1923) Drillia macleani Tucker J., 1992 Drillia maculomarginata Kilburn & Stahlschmidt, 2012 Drillia meridiana Perugia & Prelle, 2012 Drillia monodi Knudsen, 1952 Drillia oleacina (Dall, 1881) Drillia oliverai Kilburn & Stahlschmidt, 2012 Drillia patriciae Bernard & Nicolay, 1984 Drillia poecila Sysoev & Bouchet, 2001 Drillia pselia Barnard, 1958 Drillia pyramidata (Kiener, 1840) Drillia regia (Habe & Murakami, 1970) Drillia rosacea (Reeve, 1845) Drillia roseola (Hertlein & Strong, 1955) Drillia rosolina (Marrat, 1877) Drillia siebenrocki (Sturany, 1900) Drillia sinuosa (Montagu, 1803) Drillia spirostachys Kilburn, 1988 Drillia suxdorfi Strebel, 1905 Drillia tholos Barnard, 1958 Drillia tripter Maltzan, 1883 Drillia tumida McLean & Poorman, 1971 Drillia umbilicata Gray, 1838 Drillia valida McLean & Poorman, 1971